diff --git a/brewman/.pre-commit-config.yaml b/brewman/.pre-commit-config.yaml
index 911249e5..4fffe303 100644
--- a/brewman/.pre-commit-config.yaml
+++ b/brewman/.pre-commit-config.yaml
@@ -27,3 +27,11 @@ repos:
     -   id: check-yaml
     -   id: check-added-large-files
     -   id: debug-statements
+
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  # Ruff version.
+  rev: v0.0.280
+  hooks:
+    - id: ruff
+      # To autofix, enable this
+      # args: [ --fix, --exit-non-zero-on-fix ]
\ No newline at end of file
diff --git a/brewman/alembic/versions/12262aadbc08_recipe_templates.py b/brewman/alembic/versions/12262aadbc08_recipe_templates.py
index 1ead19e5..fdf4c2e9 100644
--- a/brewman/alembic/versions/12262aadbc08_recipe_templates.py
+++ b/brewman/alembic/versions/12262aadbc08_recipe_templates.py
@@ -7,7 +7,6 @@ Create Date: 2023-04-14 07:50:22.110724
 """
 from alembic import op
 import sqlalchemy as sa
-from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
 revision = '12262aadbc08'
diff --git a/brewman/brewman/core/config.py b/brewman/brewman/core/config.py
index ead7858a..6d2c431a 100644
--- a/brewman/brewman/core/config.py
+++ b/brewman/brewman/core/config.py
@@ -1,9 +1,8 @@
 import secrets
 
-from typing import Any
-
 from dotenv import load_dotenv
-from pydantic import BaseSettings, PostgresDsn, validator
+from pydantic import PostgresDsn, model_validator
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class Settings(BaseSettings):
@@ -22,24 +21,22 @@ class Settings(BaseSettings):
     POSTGRES_DB: str = ""
     SQLALCHEMY_DATABASE_URI: str | None = None
 
-    @validator("SQLALCHEMY_DATABASE_URI", pre=True)
-    def assemble_db_connection(cls, v: str | None, values: dict[str, Any]) -> Any:
-        if isinstance(v, str):
-            return v
-        return PostgresDsn.build(
+    @model_validator(mode="after")
+    def assemble_db_connection(self) -> "Settings":
+        if isinstance(self.SQLALCHEMY_DATABASE_URI, str):
+            return self
+        self.SQLALCHEMY_DATABASE_URI = PostgresDsn.build(
             scheme="postgresql",
-            user=values.get("POSTGRES_USER"),
-            password=values.get("POSTGRES_PASSWORD"),
-            host=values.get("POSTGRES_SERVER"),
-            path=f"/{values.get('POSTGRES_DB') or ''}",
+            username=self.POSTGRES_USER,
+            password=self.POSTGRES_PASSWORD,
+            host=self.POSTGRES_SERVER,
+            path=f"/{self.POSTGRES_DB or ''}",
         )
+        return self
 
     ALEMBIC_LOG_LEVEL: str = "INFO"
     ALEMBIC_SQLALCHEMY_LOG_LEVEL: str = "WARN"
-
-    class Config:
-        case_sensitive = True
-        env_file = ".env"
+    model_config = SettingsConfigDict(case_sensitive=True, env_file=".env")
 
 
 load_dotenv()
diff --git a/brewman/brewman/core/security.py b/brewman/brewman/core/security.py
index ccc69a3e..22609fd7 100644
--- a/brewman/brewman/core/security.py
+++ b/brewman/brewman/core/security.py
@@ -38,7 +38,7 @@ def f7(seq):
     return [x for x in seq if not (x in seen or seen_add(x))]
 
 
-def create_access_token(*, data: dict, expires_delta: timedelta = None):
+def create_access_token(*, data: dict, expires_delta: timedelta | None = None) -> str:
     to_encode = data.copy()
     if expires_delta:
         expire = datetime.utcnow() + expires_delta
@@ -92,7 +92,7 @@ async def get_current_user(
     )
     try:
         payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
-        username: str = payload.get("sub")
+        username: str = payload.get("sub") or ""
         if username is None:
             raise credentials_exception
         token_scopes = payload.get("scopes", [])
diff --git a/brewman/brewman/core/session.py b/brewman/brewman/core/session.py
index 244e8831..5d69c787 100644
--- a/brewman/brewman/core/session.py
+++ b/brewman/brewman/core/session.py
@@ -23,7 +23,7 @@ def get_finish_date(session: dict) -> str:
     return session["finish"]  # type: ignore[no-any-return]
 
 
-def set_period(start: str | date, finish: str | date, session: dict) -> None:
+def set_period(start: str | date | None, finish: str | date | None, session: dict) -> None:
     if start is not None:
         session["start"] = start if isinstance(start, str) else start.strftime("%d-%b-%Y")
     if finish is not None:
diff --git a/brewman/brewman/main.py b/brewman/brewman/main.py
index e1bd64a7..5d5e9922 100644
--- a/brewman/brewman/main.py
+++ b/brewman/brewman/main.py
@@ -132,5 +132,5 @@ app.include_router(db_integrity.router, prefix="/api/db-integrity", tags=["manag
 app.include_router(rebase.router, prefix="/api/rebase", tags=["management"])
 
 
-def init():
+def init() -> None:
     uvicorn.run(app, host=settings.HOST, port=settings.PORT)
diff --git a/brewman/brewman/models/account_base.py b/brewman/brewman/models/account_base.py
index 47983a94..19fa31ce 100644
--- a/brewman/brewman/models/account_base.py
+++ b/brewman/brewman/models/account_base.py
@@ -99,15 +99,15 @@ class AccountBase:
 
     @classmethod
     def cash_in_hand(cls) -> AccountLink:
-        return AccountLink(id=uuid.UUID("ed2341bb-80b8-9649-90db-f9aaca183bb3"), name="Cash in Hand")
+        return AccountLink(id_=uuid.UUID("ed2341bb-80b8-9649-90db-f9aaca183bb3"), name="Cash in Hand")
 
     @classmethod
     def local_purchase(cls) -> AccountLink:
-        return AccountLink(id=uuid.UUID("d2b75912-505f-2548-9093-466dfff6a0f9"), name="Local Purchase")
+        return AccountLink(id_=uuid.UUID("d2b75912-505f-2548-9093-466dfff6a0f9"), name="Local Purchase")
 
     @classmethod
-    def salary(cls) -> AccountLink:
-        return AccountLink(id=uuid.UUID("5c2b54d0-c174-004d-a0d5-92cdaadcefa7"), name="Staff Salary")
+    def salary_acc(cls) -> AccountLink:
+        return AccountLink(id_=uuid.UUID("5c2b54d0-c174-004d-a0d5-92cdaadcefa7"), name="Staff Salary")
 
     @classmethod
     def salary_id(cls) -> uuid.UUID:
@@ -115,7 +115,7 @@ class AccountBase:
 
     @classmethod
     def incentive(cls) -> AccountLink:
-        return AccountLink(id=uuid.UUID("b7eff754-e8ba-e047-ab06-9132c15c7640"), name="Incentives")
+        return AccountLink(id_=uuid.UUID("b7eff754-e8ba-e047-ab06-9132c15c7640"), name="Incentives")
 
     @classmethod
     def incentive_id(cls) -> uuid.UUID:
diff --git a/brewman/brewman/models/attendance.py b/brewman/brewman/models/attendance.py
index 7dbbaf53..314a014a 100644
--- a/brewman/brewman/models/attendance.py
+++ b/brewman/brewman/models/attendance.py
@@ -1,6 +1,6 @@
-import datetime
 import uuid
 
+from datetime import date, datetime
 from decimal import Decimal
 from typing import TYPE_CHECKING
 
@@ -32,10 +32,10 @@ class Attendance:
     __tablename__ = "attendances"
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, insert_default=uuid.uuid4)
     employee_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("employees.id"), nullable=False)
-    date: Mapped[datetime.date] = mapped_column(Date, nullable=False)
+    date_: Mapped[date] = mapped_column("date", Date, nullable=False)
     attendance_type: Mapped[int] = mapped_column(Integer, nullable=False)
     amount: Mapped[Decimal] = mapped_column(Numeric(precision=5, scale=2), nullable=False)
-    creation_date: Mapped[datetime.datetime] = mapped_column(DateTime(), nullable=False)
+    creation_date: Mapped[datetime] = mapped_column(DateTime(), nullable=False)
     user_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("users.id"), nullable=False)
     is_valid: Mapped[bool] = mapped_column(Boolean, nullable=False)
 
@@ -54,20 +54,20 @@ class Attendance:
     def __init__(
         self,
         employee_id: uuid.UUID,
-        date: datetime.date,
+        date_: date,
         attendance_type: int,
         user_id: uuid.UUID,
         amount: Decimal = Decimal(0),
-        creation_date: datetime.datetime | None = None,
+        creation_date: datetime | None = None,
         is_valid: bool = True,
         id_: uuid.UUID | None = None,
     ):
         self.employee_id = employee_id
-        self.date = date
+        self.date_ = date_
         self.attendance_type = attendance_type
         self.user_id = user_id
         self.amount = amount
-        self.creation_date = creation_date or datetime.datetime.utcnow()
+        self.creation_date = creation_date or datetime.utcnow()
         self.is_valid = is_valid
         if id_ is not None:
             self.id = id_
@@ -76,7 +76,7 @@ class Attendance:
         old = (
             db.execute(
                 select(Attendance)
-                .filter(Attendance.date == self.date)
+                .filter(Attendance.date_ == self.date_)
                 .filter(Attendance.employee_id == self.employee_id)
                 .filter(Attendance.is_valid == True)  # noqa: E712
             )
diff --git a/brewman/brewman/models/cost_centre.py b/brewman/brewman/models/cost_centre.py
index 6b732f64..36bd6bd8 100644
--- a/brewman/brewman/models/cost_centre.py
+++ b/brewman/brewman/models/cost_centre.py
@@ -51,4 +51,4 @@ class CostCentre:
 
     @classmethod
     def overall(cls) -> CostCentreLink:
-        return CostCentreLink(id=uuid.UUID("36f59436-522a-0746-ae94-e0f746bf6c0d"), name="Overall")
+        return CostCentreLink(id_=uuid.UUID("36f59436-522a-0746-ae94-e0f746bf6c0d"), name="Overall")
diff --git a/brewman/brewman/models/fingerprint.py b/brewman/brewman/models/fingerprint.py
index 22408635..2634c1d2 100644
--- a/brewman/brewman/models/fingerprint.py
+++ b/brewman/brewman/models/fingerprint.py
@@ -19,12 +19,12 @@ class Fingerprint:
 
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, insert_default=uuid.uuid4)
     employee_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("employees.id"), nullable=False)
-    date: Mapped[datetime] = mapped_column(DateTime, nullable=False)
+    date_: Mapped[datetime] = mapped_column(DateTime, nullable=False)
 
     employee: Mapped["Employee"] = relationship("Employee", back_populates="fingerprints")
 
-    def __init__(self, employee_id: uuid.UUID, date: datetime, id_: uuid.UUID | None = None) -> None:
+    def __init__(self, employee_id: uuid.UUID, date_: datetime, id_: uuid.UUID | None = None) -> None:
         self.employee_id = employee_id
-        self.date = date
+        self.date = date_
         if id_ is not None:
             self.id = id_
diff --git a/brewman/brewman/models/inventory.py b/brewman/brewman/models/inventory.py
index 256dc176..44156280 100644
--- a/brewman/brewman/models/inventory.py
+++ b/brewman/brewman/models/inventory.py
@@ -3,7 +3,15 @@ import uuid
 from decimal import Decimal
 from typing import TYPE_CHECKING
 
-from sqlalchemy import ForeignKey, Numeric, UniqueConstraint, Uuid
+from sqlalchemy import (
+    DECIMAL,
+    ColumnElement,
+    ForeignKey,
+    Numeric,
+    UniqueConstraint,
+    Uuid,
+    type_coerce,
+)
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
@@ -59,6 +67,7 @@ class Inventory:
     def amount(self) -> Decimal:
         return self.quantity * self.rate * (1 + self.tax) * (1 - self.discount)
 
-    @amount.expression  # type: ignore[no-redef]
-    def amount(cls) -> Decimal:
-        return cls.quantity * cls.rate * (1 + cls.tax) * (1 - cls.discount)
+    @amount.inplace.expression
+    @classmethod
+    def _amount_expression(cls) -> ColumnElement[Decimal]:
+        return type_coerce(cls.quantity * cls.rate * (1 + cls.tax) * (1 - cls.discount), Decimal)
diff --git a/brewman/brewman/models/journal.py b/brewman/brewman/models/journal.py
index ca42a193..e3687304 100644
--- a/brewman/brewman/models/journal.py
+++ b/brewman/brewman/models/journal.py
@@ -3,7 +3,7 @@ import uuid
 from decimal import Decimal
 from typing import TYPE_CHECKING
 
-from sqlalchemy import ForeignKey, Integer, Numeric, Uuid
+from sqlalchemy import ColumnElement, ForeignKey, Integer, Numeric, Uuid, type_coerce
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
@@ -50,8 +50,8 @@ class Journal:
 
     @signed_amount.inplace.expression
     @classmethod
-    def _signed_amount_expression(cls):
-        return cls.debit * cls.amount
+    def _signed_amount_expression(cls) -> ColumnElement[Decimal]:
+        return type_coerce(cls.debit * cls.amount, Decimal)
 
     def __init__(
         self,
diff --git a/brewman/brewman/models/rate_contract.py b/brewman/brewman/models/rate_contract.py
index a356abe7..941d69e6 100644
--- a/brewman/brewman/models/rate_contract.py
+++ b/brewman/brewman/models/rate_contract.py
@@ -1,6 +1,6 @@
-import datetime
 import uuid
 
+from datetime import date, datetime
 from typing import TYPE_CHECKING
 
 from sqlalchemy import Date, DateTime, ForeignKey, Unicode, Uuid
@@ -20,15 +20,15 @@ class RateContract:
     __tablename__ = "rate_contracts"
 
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, insert_default=uuid.uuid4)
-    date: Mapped[datetime.date] = mapped_column(Date, nullable=False, index=True)
+    date_: Mapped[date] = mapped_column("date", Date, nullable=False, index=True)
     vendor_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("accounts.id"), nullable=False)
-    valid_from: Mapped[datetime.date | None] = mapped_column(Date(), nullable=True)
-    valid_till: Mapped[datetime.date | None] = mapped_column(Date(), nullable=True)
+    valid_from: Mapped[date | None] = mapped_column(Date(), nullable=True)
+    valid_till: Mapped[date | None] = mapped_column(Date(), nullable=True)
     narration: Mapped[str] = mapped_column(Unicode, nullable=False)
 
     user_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("users.id"), nullable=False)
-    creation_date: Mapped[datetime.datetime] = mapped_column(DateTime(), nullable=False)
-    last_edit_date: Mapped[datetime.datetime] = mapped_column(DateTime(), nullable=False)
+    creation_date: Mapped[datetime] = mapped_column(DateTime(), nullable=False)
+    last_edit_date: Mapped[datetime] = mapped_column(DateTime(), nullable=False)
 
     user: Mapped["User"] = relationship("User")
     vendor: Mapped["AccountBase"] = relationship("AccountBase", back_populates="rate_contracts")
@@ -36,23 +36,23 @@ class RateContract:
 
     def __init__(
         self,
-        date: datetime.date,
+        date_: date,
         vendor_id: uuid.UUID,
-        valid_from: datetime.date | None,
-        valid_till: datetime.date | None,
+        valid_from: date | None,
+        valid_till: date | None,
         user_id: uuid.UUID,
         narration: str = "",
-        creation_date: datetime.datetime | None = None,
-        last_edit_date: datetime.datetime | None = None,
+        creation_date: datetime | None = None,
+        last_edit_date: datetime | None = None,
         id_: uuid.UUID | None = None,
     ):
-        self.date = date
+        self.date_ = date_
         self.vendor_id = vendor_id
         self.valid_from = valid_from
         self.valid_till = valid_till
         self.narration = narration
         self.user_id = user_id
-        self.creation_date = creation_date or datetime.datetime.utcnow()
-        self.last_edit_date = last_edit_date or datetime.datetime.utcnow()
+        self.creation_date = creation_date or datetime.utcnow()
+        self.last_edit_date = last_edit_date or datetime.utcnow()
         if id_ is not None:
             self.id = id_
diff --git a/brewman/brewman/models/recipe.py b/brewman/brewman/models/recipe.py
index 40a85fa2..6abc200e 100644
--- a/brewman/brewman/models/recipe.py
+++ b/brewman/brewman/models/recipe.py
@@ -1,8 +1,8 @@
 from __future__ import annotations
 
-import datetime
 import uuid
 
+from datetime import date
 from decimal import Decimal
 from typing import TYPE_CHECKING
 
@@ -26,7 +26,7 @@ class Recipe:
 
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, insert_default=uuid.uuid4)
     sku_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("stock_keeping_units.id"), nullable=False)
-    date: Mapped[datetime.date] = mapped_column(Date, nullable=False, index=True)
+    date_: Mapped[date] = mapped_column("date", Date, nullable=False, index=True)
     source: Mapped[str] = mapped_column(Text, nullable=False)
     instructions: Mapped[str] = mapped_column(Text, nullable=False)
     garnishing: Mapped[str] = mapped_column(Text, nullable=False)
diff --git a/brewman/brewman/models/recipe_template.py b/brewman/brewman/models/recipe_template.py
index 9a57e638..93e14139 100644
--- a/brewman/brewman/models/recipe_template.py
+++ b/brewman/brewman/models/recipe_template.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import uuid
 
-from datetime import datetime
+from datetime import date
 
 from sqlalchemy import Boolean, Date, Index, Unicode, Uuid
 from sqlalchemy.orm import Mapped, mapped_column
@@ -16,7 +16,7 @@ class RecipeTemplate:
 
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, insert_default=uuid.uuid4)
     name: Mapped[str] = mapped_column(Unicode, unique=True, nullable=False)
-    date: Mapped[datetime.date] = mapped_column(Date, nullable=False)
+    date_: Mapped[date] = mapped_column("date", Date, nullable=False)
     text: Mapped[str] = mapped_column(Unicode, nullable=False)
     selected: Mapped[bool] = mapped_column(Boolean, nullable=False)
 
diff --git a/brewman/brewman/models/tag.py b/brewman/brewman/models/tag.py
index cc697965..a528f7e0 100644
--- a/brewman/brewman/models/tag.py
+++ b/brewman/brewman/models/tag.py
@@ -21,5 +21,5 @@ class Tag:
     name: Mapped[str] = mapped_column(Unicode, unique=True, nullable=False)
 
     recipes: Mapped[list["Recipe"]] = relationship(
-        "Recipe", secondary=RecipeTag.__table__, order_by="Recipe.date", back_populates="tags"
+        "Recipe", secondary=RecipeTag.__table__, order_by="Recipe.date_", back_populates="tags"
     )
diff --git a/brewman/brewman/models/user.py b/brewman/brewman/models/user.py
index b69cd3de..1bd8f901 100644
--- a/brewman/brewman/models/user.py
+++ b/brewman/brewman/models/user.py
@@ -36,19 +36,13 @@ class User:
     login_history: Mapped[list[LoginHistory]] = relationship(order_by=desc(LoginHistory.date), back_populates="user")
     vouchers: Mapped[list[Voucher]] = relationship("Voucher", foreign_keys="Voucher.user_id", back_populates="user")
 
-    def _get_password(self) -> str:
-        return self._password
-
-    def _set_password(self, password: str) -> None:
-        self._password = encrypt(password)
-
     @hybrid_property
     def password(self) -> str:
         return self._password
 
     @password.inplace.setter
-    def _password_setter(self, password: str) -> None:
-        self._password = encrypt(password)
+    def _password_setter(self, value: str) -> None:
+        self._password = encrypt(value)
 
     def __init__(self, name: str, password: str, locked_out: bool, id_: uuid.UUID | None = None) -> None:
         self.name = name
diff --git a/brewman/brewman/models/voucher.py b/brewman/brewman/models/voucher.py
index e27e1f10..69f05174 100644
--- a/brewman/brewman/models/voucher.py
+++ b/brewman/brewman/models/voucher.py
@@ -1,6 +1,6 @@
-import datetime
 import uuid
 
+from datetime import date, datetime
 from typing import TYPE_CHECKING, Optional
 
 from sqlalchemy import Boolean, Date, DateTime, Enum, ForeignKey, Unicode, Uuid
@@ -23,13 +23,13 @@ class Voucher:
     __tablename__ = "vouchers"
 
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, insert_default=uuid.uuid4)
-    date: Mapped[datetime.date] = mapped_column(Date, nullable=False, index=True)
+    date_: Mapped[date] = mapped_column("date", Date, nullable=False, index=True)
     narration: Mapped[str] = mapped_column(Unicode, nullable=False)
     is_reconciled: Mapped[bool] = mapped_column(Boolean, nullable=False)
-    reconcile_date: Mapped[datetime.date] = mapped_column(Date, nullable=False)
+    reconcile_date: Mapped[date] = mapped_column(Date, nullable=False)
     is_starred: Mapped[bool] = mapped_column(Boolean, nullable=False)
-    creation_date: Mapped[datetime.datetime] = mapped_column(DateTime(), nullable=False)
-    last_edit_date: Mapped[datetime.datetime] = mapped_column(DateTime(), nullable=False)
+    creation_date: Mapped[datetime] = mapped_column(DateTime(), nullable=False)
+    last_edit_date: Mapped[datetime] = mapped_column(DateTime(), nullable=False)
     voucher_type: Mapped[VoucherType] = mapped_column(Enum(VoucherType), nullable=False)
     user_id: Mapped[uuid.UUID] = mapped_column(Uuid, ForeignKey("users.id"), nullable=False)
     posted: Mapped[bool] = mapped_column("is_posted", Boolean, nullable=False)
@@ -54,26 +54,26 @@ class Voucher:
 
     def __init__(
         self,
-        date: datetime.date,
+        date_: date,
         voucher_type: VoucherType,
         user_id: uuid.UUID,
         narration: str = "",
         is_starred: bool = False,
         posted: bool = False,
         is_reconciled: bool = False,
-        reconcile_date: datetime.date | None = None,
+        reconcile_date: date | None = None,
         poster_id: uuid.UUID | None = None,
-        creation_date: datetime.datetime | None = None,
-        last_edit_date: datetime.datetime | None = None,
+        creation_date: datetime | None = None,
+        last_edit_date: datetime | None = None,
     ):
-        self.date = date
+        self.date_ = date_
         self.is_reconciled = is_reconciled
-        self.reconcile_date = reconcile_date or date
+        self.reconcile_date = reconcile_date or date_
         self.is_starred = is_starred if is_starred is not None else False
         self.narration = narration
         self.posted = posted
-        self.creation_date = creation_date or datetime.datetime.utcnow()
-        self.last_edit_date = last_edit_date or datetime.datetime.utcnow()
+        self.creation_date = creation_date or datetime.utcnow()
+        self.last_edit_date = last_edit_date or datetime.utcnow()
         self.voucher_type = voucher_type
         self.user_id = user_id
         if poster_id is not None:
diff --git a/brewman/brewman/routers/__init__.py b/brewman/brewman/routers/__init__.py
index ae17816d..f2764333 100644
--- a/brewman/brewman/routers/__init__.py
+++ b/brewman/brewman/routers/__init__.py
@@ -1,4 +1,5 @@
 from datetime import date, timedelta
+from typing import Sequence
 
 from sqlalchemy import or_, select
 from sqlalchemy.orm import Session
@@ -15,12 +16,12 @@ from ..schemas.settings import (
 
 
 def get_lock_info(
-    voucher_dates: list[date], voucher_type: VoucherType, account_types: list[int], db: Session
+    voucher_dates: Sequence[date], voucher_type: VoucherType, account_types: Sequence[int], db: Session
 ) -> tuple[bool, str]:
     date_ = date.today()
     start: date | None
     finish: date | None
-    data: list = (
+    data: list[dict] = list(
         db.execute(
             select(DbSetting.data).where(
                 DbSetting.setting_type == SettingType.VOUCHER_LOCK,
@@ -37,14 +38,14 @@ def get_lock_info(
         .scalars()
         .all()
     )
-    data = sorted(data, key=lambda d: d["index"], reverse=True)  # type: ignore[no-any-return]
+    data = sorted(data, key=lambda d: d["index"], reverse=True)  # type: ignore[index]
     for it in data:
         li: LockInformation = LockInformation(
-            voucherTypes=[VoucherTypesSelected(id=vt["id_"], name=vt["name"]) for vt in it["voucher_types"]],
-            accountTypes=[AccountTypesSelected(id=at["id_"], name=at["name"]) for at in it["account_types"]],
-            start=LockDate(days=it["start"]["days"], date=it["start"]["date_"]),
-            finish=LockDate(days=it["finish"]["days"], date=it["finish"]["date_"]),
-            index=it["index"],
+            voucher_types=[VoucherTypesSelected(id_=vt["id_"], name=vt["name"]) for vt in it["voucher_types"]],  # type: ignore[index]
+            account_types=[AccountTypesSelected(id_=at["id_"], name=at["name"]) for at in it["account_types"]],  # type: ignore[index]
+            start=LockDate(days=it["start"]["days"], date_=it["start"]["date_"]),  # type: ignore[index]
+            finish=LockDate(days=it["finish"]["days"], date_=it["finish"]["date_"]),  # type: ignore[index]
+            index=it["index"],  # type: ignore[index]
         )
         # Data format
         if len(li.voucher_types) != 0 and voucher_type not in [vt.id_ for vt in li.voucher_types]:
diff --git a/brewman/brewman/routers/account.py b/brewman/brewman/routers/account.py
index 6219a6a3..1685d940 100644
--- a/brewman/brewman/routers/account.py
+++ b/brewman/brewman/routers/account.py
@@ -147,10 +147,10 @@ async def show_term(
         query_ = query_.order_by(AccountBase.name)
         if c is not None:
             query_ = query_.limit(c)
-        data: list[AccountBase] = db.execute(query_).scalars().all()
+        data: list[AccountBase] = list(db.execute(query_).scalars().all())
 
         for item in data:
-            list_.append(schemas.AccountLink(id=item.id, name=item.name))
+            list_.append(schemas.AccountLink(id_=item.id, name=item.name))
     return list_
 
 
@@ -162,7 +162,7 @@ async def show_balance(
 ) -> AccountBalance:
     date_ = None if d is None or d == "" else datetime.strptime(d, "%d-%b-%Y")
     with SessionFuture() as db:
-        return AccountBalance(date=balance(id_, date_, db), total=balance(id_, None, db))
+        return AccountBalance(date_=balance(id_, date_, db), total=balance(id_, None, db))
 
 
 @router.get("/{id_}", response_model=schemas.Account)
@@ -182,7 +182,7 @@ def balance(id_: uuid.UUID, date_: date | None, db: Session) -> Decimal:
 
     bal = select(func.sum(Journal.amount * Journal.debit)).join(Journal.voucher)
     if date_ is not None:
-        bal = bal.where(Voucher.date <= date_)
+        bal = bal.where(Voucher.date_ <= date_)
 
     bal = bal.where(Voucher.voucher_type != VoucherType.ISSUE).where(Journal.account_id == id_)
     result: Decimal | None = db.execute(bal).scalar_one_or_none()
@@ -191,16 +191,16 @@ def balance(id_: uuid.UUID, date_: date | None, db: Session) -> Decimal:
 
 def account_info(item: Account) -> schemas.Account:
     return schemas.Account(
-        id=item.id,
+        id_=item.id,
         code=item.code,
         name=item.name,
-        type=item.type_id,
-        isActive=item.is_active,
-        isReconcilable=item.is_reconcilable,
-        isStarred=item.is_starred,
-        isFixture=item.is_fixture,
-        costCentre=schemas.CostCentreLink(
-            id=item.cost_centre_id,
+        type_=item.type_id,
+        is_active=item.is_active,
+        is_reconcilable=item.is_reconcilable,
+        is_starred=item.is_starred,
+        is_fixture=item.is_fixture,
+        cost_centre=schemas.CostCentreLink(
+            id_=item.cost_centre_id,
             name=item.cost_centre.name,
         ),
     )
@@ -209,18 +209,18 @@ def account_info(item: Account) -> schemas.Account:
 def account_blank(db: Session) -> schemas.AccountBlank:
     return schemas.AccountBlank(
         name="",
-        type=db.execute(select(AccountType.id).where(AccountType.name == "Creditors")).scalar_one(),
-        isActive=True,
-        isReconcilable=False,
-        isStarred=False,
-        costCentre=CostCentre.overall(),
-        isFixture=False,
+        type_=db.execute(select(AccountType.id).where(AccountType.name == "Creditors")).scalar_one(),
+        is_active=True,
+        is_reconcilable=False,
+        is_starred=False,
+        cost_centre=CostCentre.overall(),
+        is_fixture=False,
     )
 
 
 def delete_with_data(account: Account, db: Session) -> None:
     suspense_account = db.execute(select(Account).where(Account.id == Account.suspense())).scalar_one()
-    query: list[Voucher] = (
+    query: list[Voucher] = list(
         db.execute(
             select(Voucher)
             .options(joinedload(Voucher.journals, innerjoin=True).joinedload(Journal.account, innerjoin=True))
diff --git a/brewman/brewman/routers/account_types.py b/brewman/brewman/routers/account_types.py
index 853f9b17..503a74cd 100644
--- a/brewman/brewman/routers/account_types.py
+++ b/brewman/brewman/routers/account_types.py
@@ -16,5 +16,5 @@ router = APIRouter()
 def account_type_list(user: UserToken = Depends(get_user)) -> list[schemas.AccountType]:
     with SessionFuture() as db:
         return [
-            schemas.AccountType(id=item.id, name=item.name) for item in db.execute(select(AccountType)).scalars().all()
+            schemas.AccountType(id_=item.id, name=item.name) for item in db.execute(select(AccountType)).scalars().all()
         ]
diff --git a/brewman/brewman/routers/attendance.py b/brewman/brewman/routers/attendance.py
index 5c8699cd..4d24c404 100644
--- a/brewman/brewman/routers/attendance.py
+++ b/brewman/brewman/routers/attendance.py
@@ -24,7 +24,7 @@ router = APIRouter()
 def attendance_blank(
     request: Request, user: UserToken = Security(get_user, scopes=["attendance"])
 ) -> schemas.Attendance:
-    return schemas.Attendance(date=get_date(request.session), body=[])
+    return schemas.Attendance(date_=get_date(request.session), body=[])  # type: ignore[arg-type]
 
 
 @router.get("/{date_}", response_model=schemas.Attendance)
@@ -36,7 +36,7 @@ def attendance_date(
     set_date(date_, request.session)
     with SessionFuture() as db:
         return schemas.Attendance(
-            date=date_,
+            date_=date_,  # type: ignore[arg-type]
             body=attendance_date_report(datetime.strptime(date_, "%d-%b-%Y"), db),
         )
 
@@ -64,7 +64,7 @@ def attendance_date_report(date_: date, db: Session) -> list[schemas.AttendanceI
             db.execute(
                 select(Attendance).where(
                     Attendance.employee_id == item.id,
-                    Attendance.date == date_,
+                    Attendance.date_ == date_,
                     Attendance.is_valid == True,  # noqa: E712
                 )
             )
@@ -72,20 +72,20 @@ def attendance_date_report(date_: date, db: Session) -> list[schemas.AttendanceI
             .one_or_none()
         )
 
-        att = 0 if att is None else att.attendance_type
+        at_type = 0 if att is None else att.attendance_type
 
         prints, hours_worked, full_day = get_prints(item.id, date_, db)
         body.append(
             schemas.AttendanceItem(
-                id=item.id,
+                id_=item.id,
                 code=item.code,
                 name=item.name,
                 designation=item.designation,
                 department=item.cost_centre.name,
-                attendanceType=schemas.AttendanceType(id=att),
+                attendance_type=schemas.AttendanceType(id_=at_type),
                 prints=prints,
-                hoursWorked=hours_worked,
-                fullDay=full_day,
+                hours_worked=hours_worked,
+                full_day=full_day,
             )
         )
     return body
@@ -104,13 +104,13 @@ def save(
                 if item.attendance_type.id_ != 0:
                     attendance = Attendance(
                         employee_id=item.id_,
-                        date=att_date,
+                        date_=att_date,
                         attendance_type=item.attendance_type.id_,
                         user_id=user.id_,
                     )
                     attendance.create(db)
             db.commit()
-            return schemas.Attendance(date=date_, body=attendance_date_report(att_date, db))
+            return schemas.Attendance(date_=date_, body=attendance_date_report(att_date, db))  # type: ignore[arg-type]
     except SQLAlchemyError as e:
         raise HTTPException(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
diff --git a/brewman/brewman/routers/attendance_report.py b/brewman/brewman/routers/attendance_report.py
index b302be9c..b1489dc5 100644
--- a/brewman/brewman/routers/attendance_report.py
+++ b/brewman/brewman/routers/attendance_report.py
@@ -74,15 +74,15 @@ def attendance_record(start_date: date, finish_date: date, output: io.StringIO,
                 db.execute(
                     select(Attendance).where(
                         Attendance.employee_id == employee.id,
-                        Attendance.date == date_,
+                        Attendance.date_ == date_,
                         Attendance.is_valid == True,  # noqa: E712
                     )
                 )
                 .scalars()
                 .one_or_none()
             )
-            att = not_set if att is None else AttendanceType.by_id(att.attendance_type)
-            row_display.append(att.name)
-            row_value.append(att.value)
+            at_type = not_set if att is None else AttendanceType.by_id(att.attendance_type)
+            row_display.append(at_type.name)
+            row_value.append(at_type.value)
         writer.writerow(row_display)
         writer.writerow(row_value)
diff --git a/brewman/brewman/routers/attendance_types.py b/brewman/brewman/routers/attendance_types.py
index 12d94298..0bd1e54b 100644
--- a/brewman/brewman/routers/attendance_types.py
+++ b/brewman/brewman/routers/attendance_types.py
@@ -15,5 +15,5 @@ async def show_list(user: UserToken = Depends(get_user)) -> list[schemas.Attenda
     list_ = AttendanceType.list()
     attendance_types: list[schemas.AttendanceType] = []
     for item in list_:
-        attendance_types.append(schemas.AttendanceType(id=item.id, name=item.name, value=item.value))
+        attendance_types.append(schemas.AttendanceType(id_=item.id, name=item.name, value=item.value))
     return attendance_types
diff --git a/brewman/brewman/routers/batch.py b/brewman/brewman/routers/batch.py
index 084f8d8b..a3e4f2d4 100644
--- a/brewman/brewman/routers/batch.py
+++ b/brewman/brewman/routers/batch.py
@@ -45,14 +45,14 @@ def batch_term(
             )
             list_.append(
                 schemas.Batch(
-                    id=item.id,
+                    id_=item.id,
                     name=text,
-                    quantityRemaining=round(item.quantity_remaining, 2),
+                    quantity_remaining=round(item.quantity_remaining, 2),
                     rate=round(item.rate, 2),
                     tax=round(item.tax, 5),
                     discount=round(item.discount, 5),
                     sku=schemas.ProductLink(
-                        id=item.sku.id,
+                        id_=item.sku.id,
                         name=f"{item.sku.product.name} ({item.sku.units})",
                     ),
                 )
diff --git a/brewman/brewman/routers/batch_integrity.py b/brewman/brewman/routers/batch_integrity.py
index 227be3c1..802588d9 100644
--- a/brewman/brewman/routers/batch_integrity.py
+++ b/brewman/brewman/routers/batch_integrity.py
@@ -1,5 +1,7 @@
 import uuid
 
+from decimal import Decimal
+
 import brewman.schemas.batch_integrity as schemas
 
 from fastapi import APIRouter, Security
@@ -45,7 +47,7 @@ def negative_batches(db: Session) -> list[schemas.BatchIntegrity]:
         .where(
             Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
         )
-        .group_by(Batch, Product.name)
+        .group_by(Batch, Product.name)  # type: ignore
         .having(Batch.quantity_remaining != inv_sum)
     ).all()
 
@@ -56,9 +58,9 @@ def negative_batches(db: Session) -> list[schemas.BatchIntegrity]:
         else:
             issue.append(
                 schemas.BatchIntegrity(
-                    id=batch.id,
+                    id_=batch.id,
                     product=product,
-                    date=batch.name,
+                    date_=batch.name,
                     showing=batch.quantity_remaining,
                     actual=quantity,
                     price=batch.rate,
@@ -70,7 +72,7 @@ def negative_batches(db: Session) -> list[schemas.BatchIntegrity]:
 
 def batch_details(batch_id: uuid.UUID, db: Session) -> list[schemas.BatchIntegrityItem]:
     list_ = db.execute(
-        select(Voucher.id, Voucher.date, Voucher.voucher_type, Inventory.quantity, Inventory.rate)
+        select(Voucher.id, Voucher.date_, Voucher.voucher_type, Inventory.quantity, Inventory.rate)
         .join(Inventory.voucher)
         .join(Voucher.journals)
         .where(
@@ -80,8 +82,8 @@ def batch_details(batch_id: uuid.UUID, db: Session) -> list[schemas.BatchIntegri
     ).all()
     return [
         schemas.BatchIntegrityItem(
-            date=date_,
-            type=type_.name.replace("_", " ").title(),
+            date_=date_,
+            type_=type_.name.replace("_", " ").title(),
             url=["/", type_.name.replace("_", "-").lower(), str(id_)],
             quantity=quantity,
             price=rate,
@@ -98,7 +100,7 @@ def batch_dates(db: Session) -> list[schemas.BatchIntegrity]:
             .join(StockKeepingUnit.product)
             .join(Batch.inventories)
             .join(Inventory.voucher)
-            .where(Voucher.date < Batch.name)
+            .where(Voucher.date_ < Batch.name)
             .options(
                 contains_eager(Batch.sku).contains_eager(StockKeepingUnit.product),
                 contains_eager(Batch.inventories).contains_eager(Inventory.voucher),
@@ -113,16 +115,16 @@ def batch_dates(db: Session) -> list[schemas.BatchIntegrity]:
     for batch in list_:
         issue.append(
             schemas.BatchIntegrity(
-                id=batch.id,
+                id_=batch.id,
                 product=batch.sku.product.name,
-                date=batch.name,
+                date_=batch.name,
                 showing=batch.quantity_remaining,
-                actual=0,
+                actual=Decimal(0),
                 price=batch.rate,
                 details=[
                     schemas.BatchIntegrityItem(
-                        date=inv.voucher.date,
-                        type=inv.voucher.voucher_type.name.replace("_", " ").title(),
+                        date_=inv.voucher.date_,
+                        type_=inv.voucher.voucher_type.name.replace("_", " ").title(),
                         quantity=inv.quantity,
                         price=inv.rate,
                         url=[
@@ -153,11 +155,11 @@ def fix_batch_prices(db: Session) -> None:
 
     for batch in list_:
         for inv in batch.inventories:
-            refresh_voucher(inv.voucher_id, inv.product_id, db)
+            refresh_voucher(inv.voucher_id, inv.batch_id, db)
 
 
 def fix_single_batch_prices(batch_id: uuid.UUID, db: Session) -> None:
-    list_ = (
+    list_: list[uuid.UUID] = list(
         db.execute(
             select(distinct(Inventory.voucher_id))
             .join(Inventory.batch)
diff --git a/brewman/brewman/routers/client.py b/brewman/brewman/routers/client.py
index b659b08c..ec4bd44e 100644
--- a/brewman/brewman/routers/client.py
+++ b/brewman/brewman/routers/client.py
@@ -65,14 +65,14 @@ async def show_list(
         for item in list_:
             clients.append(
                 schemas.ClientList(
-                    id=item.id,
+                    id_=item.id,
                     code=item.code,
                     name=item.name,
                     enabled=item.enabled,
                     otp=item.otp,
-                    creationDate=item.creation_date,
-                    lastUser=item.login_history[0].user.name if len(item.login_history) else "None",
-                    lastDate=item.login_history[0].date if len(item.login_history) else None,
+                    creation_date=item.creation_date,
+                    last_user=item.login_history[0].user.name if len(item.login_history) else "None",
+                    last_date=item.login_history[0].date if len(item.login_history) else None,
                 )
             )
         return clients
@@ -86,10 +86,10 @@ def show_id(
     with SessionFuture() as db:
         item: Client = db.execute(select(Client).where(Client.id == id_)).scalar_one()
         return schemas.Client(
-            id=item.id,
+            id_=item.id,
             code=item.code,
             name=item.name,
             enabled=item.enabled,
             otp=item.otp,
-            creationDate=item.creation_date,
+            creation_date=item.creation_date,
         )
diff --git a/brewman/brewman/routers/cost_centre.py b/brewman/brewman/routers/cost_centre.py
index 7649bec9..eba630ff 100644
--- a/brewman/brewman/routers/cost_centre.py
+++ b/brewman/brewman/routers/cost_centre.py
@@ -112,14 +112,14 @@ def show_id(
 
 def cost_centre_info(item: CostCentre) -> schemas.CostCentre:
     return schemas.CostCentre(
-        id=item.id,
+        id_=item.id,
         name=item.name,
-        isFixture=item.is_fixture,
+        is_fixture=item.is_fixture,
     )
 
 
 def cost_centre_blank() -> schemas.CostCentreBlank:
     return schemas.CostCentreBlank(
         name="",
-        isFixture=False,
+        is_fixture=False,
     )
diff --git a/brewman/brewman/routers/credit_salary.py b/brewman/brewman/routers/credit_salary.py
index 0b5f6396..849fc76d 100644
--- a/brewman/brewman/routers/credit_salary.py
+++ b/brewman/brewman/routers/credit_salary.py
@@ -33,7 +33,7 @@ def credit_salary(
     finish_date = get_last_day(month_)
     with SessionFuture() as db:
         voucher = Voucher(
-            date=finish_date,
+            date_=finish_date,
             narration="Auto Generated Salary Entry",
             user_id=user.id_,
             voucher_type=VoucherType.JOURNAL,
@@ -67,8 +67,8 @@ def salary_journals(start_date: date, finish_date: date, db: Session) -> list[Jo
             db.execute(
                 select(Attendance).where(
                     Attendance.employee_id == employee.id,
-                    Attendance.date >= start_date,
-                    Attendance.date <= finish_date,
+                    Attendance.date_ >= start_date,
+                    Attendance.date_ <= finish_date,
                     Attendance.is_valid == True,  # noqa: E712
                 )
             )
diff --git a/brewman/brewman/routers/db_image.py b/brewman/brewman/routers/db_image.py
index 178366d3..87b2e1de 100644
--- a/brewman/brewman/routers/db_image.py
+++ b/brewman/brewman/routers/db_image.py
@@ -21,10 +21,10 @@ def db_image(id_: uuid.UUID, type_: str) -> StreamingResponse:
     with SessionFuture() as db:
         item = db.execute(select(DbImage).where(DbImage.id == id_)).scalar_one()
         if type_ == "thumbnail":
-            item = BytesIO(item.thumbnail)
+            img = BytesIO(item.thumbnail)
         else:
-            item = BytesIO(item.image)
-        return StreamingResponse(item, media_type="image/jpeg")
+            img = BytesIO(item.image)
+        return StreamingResponse(img, media_type="image/jpeg")
 
 
 def save_files(voucher_id: uuid.UUID, i: list[bytes], t: list[bytes], db: Session) -> None:
diff --git a/brewman/brewman/routers/db_integrity.py b/brewman/brewman/routers/db_integrity.py
index 45ab911d..e32cba4f 100644
--- a/brewman/brewman/routers/db_integrity.py
+++ b/brewman/brewman/routers/db_integrity.py
@@ -19,14 +19,14 @@ def post_check_db(user: UserToken = Security(get_user)) -> AttendanceCount:
         if duplicate_attendances > 0:
             fix_duplicate_attendances(db)
         db.commit()
-        return AttendanceCount(attendanceCount=duplicate_attendances)
+        return AttendanceCount(attendance_count=duplicate_attendances)
 
 
 def get_duplicate_attendances(db: Session) -> int:
-    sub_query = select(
+    sub_query = select(  # type: ignore[var-annotated]
         over(
-            distinct(func.first_value(Attendance.id)),
-            partition_by=[Attendance.employee_id, Attendance.date],
+            distinct(func.first_value(Attendance.id)),  # type: ignore[arg-type]
+            partition_by=[Attendance.employee_id, Attendance.date_],
         )
     ).where(
         Attendance.is_valid == True  # noqa: E712
@@ -43,12 +43,12 @@ def fix_duplicate_attendances(db: Session) -> None:
     sub = (
         select(
             over(
-                distinct(func.first_value(Attendance.id)),
-                partition_by=[Attendance.employee_id, Attendance.date],
+                distinct(func.first_value(Attendance.id)),  # type: ignore[arg-type]
+                partition_by=[Attendance.employee_id, Attendance.date_],
                 order_by=desc(Attendance.creation_date),
             )
         )
         .where(Attendance.is_valid == True)  # noqa: E712
         .subquery()
     )
-    db.execute(delete(Attendance).where(~Attendance.id.in_(sub), Attendance.is_valid == True))  # noqa: E712
+    db.execute(delete(Attendance).where(~Attendance.id.in_(sub), Attendance.is_valid == True))  # type: ignore[arg-type]  # noqa: E712
diff --git a/brewman/brewman/routers/employee.py b/brewman/brewman/routers/employee.py
index c9abda80..b222f60c 100644
--- a/brewman/brewman/routers/employee.py
+++ b/brewman/brewman/routers/employee.py
@@ -1,6 +1,8 @@
 import uuid
 
 from datetime import datetime
+from decimal import Decimal
+from typing import Sequence
 
 import brewman.schemas.employee as schemas
 
@@ -142,16 +144,16 @@ async def show_term(
         query_ = query_.order_by(Employee.name)
         if c is not None:
             query_ = query_.limit(c)
-        data: list[Employee] = db.execute(query_).scalars().all()
+        data: Sequence[Employee] = db.execute(query_).scalars().all()
 
         for item in data:
             list_.append(
                 schemas.EmployeeLink(
-                    id=item.id,
+                    id_=item.id,
                     name=item.name,
                     designation=item.designation,
-                    costCentre=schemas.CostCentreLink(
-                        id=item.cost_centre.id,
+                    cost_centre=schemas.CostCentreLink(
+                        id_=item.cost_centre.id,
                         name=item.cost_centre.name,
                     ),
                 )
@@ -171,35 +173,35 @@ def show_id(
 
 def employee_info(employee: Employee) -> schemas.Employee:
     return schemas.Employee(
-        id=employee.id,
+        id_=employee.id,
         code=employee.code,
         name=employee.name,
-        isActive=employee.is_active,
-        isStarred=employee.is_starred,
+        is_active=employee.is_active,
+        is_starred=employee.is_starred,
         designation=employee.designation,
         salary=employee.salary,
         points=employee.points,
-        joiningDate=employee.joining_date,
-        leavingDate=None if employee.is_active else employee.leaving_date,
-        costCentre=schemas.CostCentreLink(
-            id=employee.cost_centre_id,
+        joining_date=employee.joining_date,
+        leaving_date=None if employee.is_active else employee.leaving_date,
+        cost_centre=schemas.CostCentreLink(
+            id_=employee.cost_centre_id,
             name=employee.cost_centre.name,
         ),
-        isFixture=employee.is_fixture,
+        is_fixture=employee.is_fixture,
     )
 
 
 def employee_blank() -> schemas.EmployeeBlank:
     return schemas.EmployeeBlank(
         name="",
-        isStarred=False,
-        isActive=True,
-        costCentre=CostCentre.overall(),
+        is_starred=False,
+        is_active=True,
+        cost_centre=CostCentre.overall(),
         designation="",
         salary=0,
-        points=0,
-        joiningDate=datetime.today(),
-        leavingDate=None,
+        points=Decimal(0),
+        joining_date=datetime.today(),
+        leaving_date=None,
     )
 
 
diff --git a/brewman/brewman/routers/employee_attendance.py b/brewman/brewman/routers/employee_attendance.py
index 4b778d48..144e5997 100644
--- a/brewman/brewman/routers/employee_attendance.py
+++ b/brewman/brewman/routers/employee_attendance.py
@@ -27,8 +27,8 @@ def show_blank(
     user: UserToken = Security(get_user, scopes=["attendance"]),
 ) -> schemas.EmployeeAttendance:
     return schemas.EmployeeAttendance(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),  # type: ignore[arg-type]
+        finish_date=get_finish_date(request.session),  # type: ignore[arg-type]
         employee=None,
         body=[],
     )
@@ -48,12 +48,12 @@ def employee_attendance_report(
         finish_date = datetime.strptime(f or get_finish_date(request.session), "%d-%b-%Y").date()
         start_date = employee.joining_date if employee.joining_date > start_date else start_date
         finish_date = (
-            employee.leaving_date if not employee.is_active and employee.leaving_date < finish_date else finish_date  # type: ignore[assignment]
+            employee.leaving_date if not employee.is_active and employee.leaving_date < finish_date else finish_date  # type: ignore[assignment, operator]
         )
         info = schemas.EmployeeAttendance(
-            startDate=start_date,
-            finishDate=finish_date,
-            employee=schemas.AccountLink(id=employee.id, name=employee.name),
+            start_date=start_date,
+            finish_date=finish_date,
+            employee=schemas.AccountLink(id_=employee.id, name=employee.name),
             body=employee_attendance(employee, start_date, finish_date, db),
         )
         return info
@@ -68,7 +68,7 @@ def employee_attendance(
             db.execute(
                 select(Attendance).where(
                     Attendance.employee_id == employee.id,
-                    Attendance.date == item,
+                    Attendance.date_ == item,
                     Attendance.is_valid == True,  # noqa: E712
                 )
             )
@@ -76,15 +76,15 @@ def employee_attendance(
             .one_or_none()
         )
 
-        att = 0 if att is None else att.attendance_type
+        at_type = 0 if att is None else att.attendance_type
         prints, hours_worked, full_day = get_prints(employee.id, item, db)
         list_.append(
             schemas.EmployeeAttendanceItem(
-                date=item.strftime("%d-%b-%Y"),
-                attendanceType={"id": att},
+                date_=item.strftime("%d-%b-%Y"),  # type: ignore
+                attendance_type=schemas.AttendanceType(id_=at_type),
                 prints=prints,
-                hoursWorked=hours_worked,
-                fullDay=full_day,
+                hours_worked=hours_worked,
+                full_day=full_day,
             )
         )
     return list_
@@ -103,7 +103,7 @@ def save_employee_attendance(
             if attendance_type != 0:
                 attendance = Attendance(
                     employee_id=employee.id,
-                    date=item.date_,
+                    date_=item.date_,
                     attendance_type=attendance_type,
                     user_id=user.id_,
                 )
@@ -112,8 +112,8 @@ def save_employee_attendance(
         start_date = min(i.date_ for i in data.body)
         finish_date = max(i.date_ for i in data.body)
         return schemas.EmployeeAttendance(
-            startDate=start_date,
-            finishDate=finish_date,
-            employee={"id": employee.id, "name": employee.name},
+            start_date=start_date,
+            finish_date=finish_date,
+            employee=schemas.AccountLink(id_=employee.id, name=employee.name),
             body=employee_attendance(employee, start_date, finish_date, db),
         )
diff --git a/brewman/brewman/routers/employee_benefit.py b/brewman/brewman/routers/employee_benefit.py
index 9f707372..11c98e0d 100644
--- a/brewman/brewman/routers/employee_benefit.py
+++ b/brewman/brewman/routers/employee_benefit.py
@@ -62,7 +62,7 @@ def save_route(
 
 
 def save(data: schema_in.EmployeeBenefitIn, date_: date, user: UserToken, db: Session) -> Voucher:
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 AccountBase.id.in_([dj.employee.id_ for dj in data.employee_benefits])
@@ -78,7 +78,7 @@ def save(data: schema_in.EmployeeBenefitIn, date_: date, user: UserToken, db: Se
             detail=message,
         )
     voucher = Voucher(
-        date=date_,
+        date_=date_,
         narration=data.narration,
         is_starred=data.is_starred,
         user_id=user.id_,
@@ -160,13 +160,13 @@ def update_route(
         days_in_month = dt.day
         with SessionFuture() as db:
             item: Voucher = update_voucher(id_, data, user, db)
-            if dt != item.date:
+            if dt != item.date_:
                 raise HTTPException(
                     status_code=status.HTTP_423_LOCKED,
                     detail="Date Cannot be changed for Employee Benefit voucher!",
                 )
             exp, total = update_employee_benefits(item, data.employee_benefits, days_in_month, db)
-            update_journals(item, exp, total)
+            update_journals(item, Decimal(exp), Decimal(total))
             check_journals_are_valid(item)
             update_files(item.id, data.files, i, t, db)
             db.commit()
@@ -181,7 +181,7 @@ def update_route(
 
 def update_voucher(id_: uuid.UUID, data: schema_in.EmployeeBenefitIn, user: UserToken, db: Session) -> Voucher:
     voucher: Voucher = db.execute(select(Voucher).where(Voucher.id == id_)).scalar_one()
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 AccountBase.id.in_(
@@ -192,7 +192,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.EmployeeBenefitIn, user: User
         .scalars()
         .all()
     )
-    allowed, message = get_lock_info([voucher.date, data.date_], voucher.voucher_type, account_types, db)
+    allowed, message = get_lock_info([voucher.date_, data.date_], voucher.voucher_type, account_types, db)
     if not allowed:
         raise HTTPException(
             status_code=status.HTTP_423_LOCKED,
@@ -228,7 +228,7 @@ def update_employee_benefits(
     return exp + new_exp, total + new_total
 
 
-def update_journals(voucher: Voucher, exp: int, total: int) -> None:
+def update_journals(voucher: Voucher, exp: Decimal, total: Decimal) -> None:
     journal = next(i for i in voucher.journals if i.account_id == AccountBase.esi_pf_expense())
     journal.amount = exp
     journal = next(i for i in voucher.journals if i.account_id == AccountBase.esi_pf_payable())
@@ -256,7 +256,7 @@ def show_blank(
     request: Request,
     user: UserToken = Security(get_user, scopes=["employee-benefit"]),
 ) -> output.Voucher:
-    additional_info = BlankVoucherInfo(date=get_date(request.session), type=VoucherType.EMPLOYEE_BENEFIT)
+    additional_info = BlankVoucherInfo(date_=get_date(request.session), type_=VoucherType.EMPLOYEE_BENEFIT)  # type: ignore[arg-type]
     with SessionFuture() as db:
         return blank_voucher(additional_info, db)
 
diff --git a/brewman/brewman/routers/fingerprint.py b/brewman/brewman/routers/fingerprint.py
index 975f83e6..c25852d7 100644
--- a/brewman/brewman/routers/fingerprint.py
+++ b/brewman/brewman/routers/fingerprint.py
@@ -36,7 +36,7 @@ def upload_prints(
             for id_, code in db.execute(select(Employee.id, Employee.code)).all():
                 employees[code] = id_
             file_data = read_file(fingerprints)
-            prints = [d for d in fp(file_data, employees) if start <= d.date.date() <= finish]
+            prints = [d for d in fp(file_data, employees) if start <= d.date_.date() <= finish]
             paged_data = [prints[i : i + 100] for i in range(0, len(prints), 100)]
             for i, page in enumerate(paged_data):
                 print(f"Processing page {i} of {len(paged_data)}")
@@ -93,9 +93,9 @@ def fp(file_data: StringIO, employees: dict[int, uuid.UUID]) -> list[schemas.Fin
             if employee_code in employees.keys():
                 fingerprints.append(
                     schemas.Fingerprint(
-                        id=uuid.uuid4(),
+                        id_=uuid.uuid4(),
                         employee_id=employees[employee_code],
-                        date=date_,
+                        date_=date_,
                     )
                 )
         except ValueError:
diff --git a/brewman/brewman/routers/incentive.py b/brewman/brewman/routers/incentive.py
index 59a9b71d..6a3fc8f1 100644
--- a/brewman/brewman/routers/incentive.py
+++ b/brewman/brewman/routers/incentive.py
@@ -61,7 +61,7 @@ def save_route(
 
 
 def save(data: schema_in.IncentiveIn, user: UserToken, db: Session) -> Voucher:
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(AccountBase.id.in_([dj.employee_id for dj in data.incentives]))
         )
@@ -75,7 +75,7 @@ def save(data: schema_in.IncentiveIn, user: UserToken, db: Session) -> Voucher:
             detail=message,
         )
     voucher = Voucher(
-        date=data.date_,
+        date_=data.date_,
         narration=data.narration,
         is_starred=data.is_starred,
         user_id=user.id_,
@@ -141,7 +141,7 @@ def update_route(
 
 def update_voucher(id_: uuid.UUID, data: schema_in.IncentiveIn, user: UserToken, db: Session) -> Voucher:
     voucher: Voucher = db.execute(select(Voucher).where(Voucher.id == id_)).scalar_one()
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 AccountBase.id.in_(
@@ -152,7 +152,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.IncentiveIn, user: UserToken,
         .scalars()
         .all()
     )
-    allowed, message = get_lock_info([voucher.date, data.date_], voucher.voucher_type, account_types, db)
+    allowed, message = get_lock_info([voucher.date_, data.date_], voucher.voucher_type, account_types, db)
     if not allowed:
         raise HTTPException(
             status_code=status.HTTP_423_LOCKED,
@@ -179,11 +179,11 @@ def update_incentives(
         item_amount = round(employee.points * employee.days_worked * point_value)
         item.days_worked = employee.days_worked
         item.points = employee.points
-        item.journal.amount = item_amount
+        item.journal.amount = Decimal(item_amount)
         total_amount += item_amount
 
     journal = next(j for j in voucher.journals if j.account_id == Account.incentive_id())
-    journal.amount = total_amount
+    journal.amount = Decimal(total_amount)
 
 
 @router.get("/{id_}", response_model=output.Voucher)
@@ -208,7 +208,7 @@ def show_blank(
     d: str | None = None,
     user: UserToken = Security(get_user, scopes=["incentive"]),
 ) -> output.Voucher:
-    additional_info = BlankVoucherInfo(date=d or get_date(request.session), type=VoucherType.INCENTIVE)
+    additional_info = BlankVoucherInfo(date_=d or get_date(request.session), type_=VoucherType.INCENTIVE)  # type: ignore[arg-type]
     with SessionFuture() as db:
         return blank_voucher(additional_info, db)
 
@@ -221,7 +221,7 @@ def get_employees(
     db: Session,
 ) -> list[schema_in.IncentiveEmployee]:
     details = []
-    employees = (
+    employees = list(
         db.execute(
             select(Employee)
             .where(Employee.joining_date <= finish_date, or_(Employee.is_active, Employee.leaving_date >= start_date))
@@ -238,15 +238,15 @@ def get_employees(
             db.execute(
                 select(Attendance).where(
                     Attendance.employee_id == employee.id,
-                    Attendance.date >= start_date,
-                    Attendance.date <= finish_date,
+                    Attendance.date_ >= start_date,
+                    Attendance.date_ <= finish_date,
                     Attendance.is_valid == True,  # noqa: E712
                 )
             )
             .scalars()
             .all()
         )
-        att = sum(AttendanceType.by_id(x.attendance_type).value for x in attendances)
+        att = sum(AttendanceType.by_id(x.attendance_type).value for x in attendances) or Decimal(0)
         points = next(x for x in incentives if x.employee_id == employee.id).points
         details.append(
             schema_in.IncentiveEmployee(
@@ -267,9 +267,9 @@ def balance(date_: date, voucher_id: uuid.UUID | None, db: Session) -> Decimal:
             Journal.account_id == Account.incentive_id(),
             Voucher.voucher_type != VoucherType.ISSUE,
             or_(
-                Voucher.date <= date_,
+                Voucher.date_ <= date_,
                 and_(
-                    Voucher.date == date_,
+                    Voucher.date_ == date_,
                     Voucher.voucher_type != VoucherType.INCENTIVE,
                 ),
             ),
diff --git a/brewman/brewman/routers/issue.py b/brewman/brewman/routers/issue.py
index f8b16dd6..2723bb3b 100644
--- a/brewman/brewman/routers/issue.py
+++ b/brewman/brewman/routers/issue.py
@@ -74,7 +74,7 @@ def save(data: schema_in.IssueIn, user: UserToken, db: Session) -> tuple[Voucher
         .join(Product.skus)
         .where(StockKeepingUnit.id.in_([i.batch.sku.id_ for i in data.inventories]))
     )
-    account_types = (
+    account_types: list[int] = list(
         db.execute(select(distinct(AccountBase.type_id)).where(AccountBase.id.in_(product_accounts))).scalars().all()
     )
     allowed, message = get_lock_info([data.date_], VoucherType[data.type_.replace(" ", "_").upper()], account_types, db)
@@ -84,7 +84,7 @@ def save(data: schema_in.IssueIn, user: UserToken, db: Session) -> tuple[Voucher
             detail=message,
         )
     voucher = Voucher(
-        date=data.date_,
+        date_=data.date_,
         narration=data.narration,
         is_starred=data.is_starred,
         user_id=user.id_,
@@ -121,7 +121,7 @@ def save_inventories(
                 status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                 detail=f"{batch.sku.product.name} ({batch.sku.units}) stock is {batch.quantity_remaining}",
             )
-        if batch.name > voucher.date:
+        if batch.name > voucher.date_:
             raise HTTPException(
                 status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                 detail=f"{batch.sku.product.name} ({batch.sku.units}) "
@@ -210,7 +210,7 @@ def update_voucher(
         .join(Product.skus)
         .where(StockKeepingUnit.id.in_([i.batch.sku.id_ for i in data.inventories]))
     )
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 or_(
@@ -222,14 +222,14 @@ def update_voucher(
         .scalars()
         .all()
     )
-    allowed, message = get_lock_info([voucher.date, data.date_], voucher.voucher_type, account_types, db)
+    allowed, message = get_lock_info([voucher.date_, data.date_], voucher.voucher_type, account_types, db)
     if not allowed:
         raise HTTPException(
             status_code=status.HTTP_423_LOCKED,
             detail=message,
         )
     check_voucher_edit_allowed(voucher, user)
-    voucher.date = data.date_
+    voucher.date_ = data.date_
     voucher.is_starred = data.is_starred
     voucher.narration = data.narration
     voucher.user_id = user.id_
@@ -288,7 +288,7 @@ def update_inventories(
                     detail=f"Maximum quantity available for "
                     f"{batch.sku.product.name} ({batch.sku.units}) is {batch_quantity}",
                 )
-            if item.batch.name > voucher.date:
+            if item.batch.name > voucher.date_:
                 raise HTTPException(
                     status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                     detail=f"Batch of {batch.sku.product.name} ({batch.sku.units}) was purchased after the issue date",
@@ -386,10 +386,10 @@ def show_blank(
     user: UserToken = Security(get_user, scopes=["issue"]),
 ) -> output.Voucher:
     date_ = date or get_date(request.session)
-    additional_info = BlankVoucherInfo(date=date_, type=VoucherType.ISSUE)
+    additional_info = BlankVoucherInfo(date_=date_, type_=VoucherType.ISSUE)  # type: ignore[arg-type]
     if source:
-        additional_info.source = CostCentreLink(id=source, name="")
+        additional_info.source = CostCentreLink(id_=source, name="")
     if destination:
-        additional_info.destination = CostCentreLink(id=destination, name="")
+        additional_info.destination = CostCentreLink(id_=destination, name="")
     with SessionFuture() as db:
         return blank_voucher(additional_info, db)
diff --git a/brewman/brewman/routers/issue_grid.py b/brewman/brewman/routers/issue_grid.py
index ae2f30c6..f54a7c3c 100644
--- a/brewman/brewman/routers/issue_grid.py
+++ b/brewman/brewman/routers/issue_grid.py
@@ -31,7 +31,7 @@ def get_grid(date_: date, db: Session) -> list[IssueGridItem]:
         db.execute(
             select(Voucher)
             .join(Voucher.journals)
-            .where(Voucher.date == date_, Voucher.voucher_type == VoucherType.ISSUE)
+            .where(Voucher.date_ == date_, Voucher.voucher_type == VoucherType.ISSUE)
             .order_by(Voucher.creation_date)
         )
         .unique()
@@ -43,7 +43,7 @@ def get_grid(date_: date, db: Session) -> list[IssueGridItem]:
         amount = voucher.journals[0].amount
         list_.append(
             IssueGridItem(
-                id=str(voucher.id),
+                id_=voucher.id,
                 amount=amount,
                 source=next(j.cost_centre.name for j in voucher.journals if j.debit == -1),
                 destination=next(j.cost_centre.name for j in voucher.journals if j.debit == 1),
diff --git a/brewman/brewman/routers/journal.py b/brewman/brewman/routers/journal.py
index 0c2f1dfa..b4d5a551 100644
--- a/brewman/brewman/routers/journal.py
+++ b/brewman/brewman/routers/journal.py
@@ -55,7 +55,7 @@ def save_route(
 
 
 def save(data: schema_in.JournalIn, user: UserToken, db: Session) -> Voucher:
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(AccountBase.id.in_([dj.account.id_ for dj in data.journals]))
         )
@@ -69,7 +69,7 @@ def save(data: schema_in.JournalIn, user: UserToken, db: Session) -> Voucher:
             detail=message,
         )
     voucher = Voucher(
-        date=data.date_,
+        date_=data.date_,
         narration=data.narration,
         is_starred=data.is_starred,
         user_id=user.id_,
@@ -119,7 +119,7 @@ def update_route(
 
 def update_voucher(id_: uuid.UUID, data: schema_in.JournalIn, user: UserToken, db: Session) -> Voucher:
     voucher: Voucher = db.execute(select(Voucher).where(Voucher.id == id_)).scalar_one()
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 AccountBase.id.in_(
@@ -130,7 +130,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.JournalIn, user: UserToken, d
         .scalars()
         .all()
     )
-    allowed, message = get_lock_info([voucher.date, data.date_], voucher.voucher_type, account_types, db)
+    allowed, message = get_lock_info([voucher.date_, data.date_], voucher.voucher_type, account_types, db)
     if not allowed:
         raise HTTPException(
             status_code=status.HTTP_423_LOCKED,
@@ -138,7 +138,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.JournalIn, user: UserToken, d
         )
 
     check_voucher_edit_allowed(voucher, user)
-    voucher.date = data.date_
+    voucher.date_ = data.date_
     voucher.is_starred = data.is_starred
     voucher.narration = data.narration
     voucher.user_id = user.id_
@@ -199,8 +199,8 @@ def show_blank(
     else:
         type_ = VoucherType.JOURNAL
 
-    additional_info = BlankVoucherInfo(date=get_date(request.session), type=type_)
+    additional_info = BlankVoucherInfo(date_=get_date(request.session), type_=type_)  # type: ignore[arg-type]
     if a:
-        additional_info.account = AccountLink(id=a)
+        additional_info.account = AccountLink(id_=a)
     with SessionFuture() as db:
         return blank_voucher(additional_info, db)
diff --git a/brewman/brewman/routers/lock_information.py b/brewman/brewman/routers/lock_information.py
index 42254ddc..29d87e87 100644
--- a/brewman/brewman/routers/lock_information.py
+++ b/brewman/brewman/routers/lock_information.py
@@ -70,26 +70,26 @@ def get_info(db: Session) -> list[LockInformation]:
     data = db.execute(select(DbSetting.data).where(DbSetting.setting_type == SettingType.VOUCHER_LOCK)).scalars().all()
     return [
         LockInformation(
-            id=item["id_"],
-            validFrom=item["valid_from"],
-            validTill=item["valid_till"],
-            voucherTypes=[
+            id_=item["id_"],
+            valid_from=item["valid_from"],
+            valid_till=item["valid_till"],
+            voucher_types=[
                 VoucherTypesSelected(
-                    id=vt["id_"],
+                    id_=vt["id_"],
                     name=VoucherType(vt["id_"]).name.replace("_", " ").title(),
                 )
                 for vt in item["voucher_types"]
             ],
-            accountTypes=[
+            account_types=[
                 AccountTypesSelected(
-                    id=at["id_"],
+                    id_=at["id_"],
                     name=db.execute(select(AccountType.name).where(AccountType.id == at["id_"])).scalar_one(),
                 )
                 for at in item["account_types"]
             ],
-            start=LockDate(days=item["start"]["days"], date=item["start"]["date_"]),
-            finish=LockDate(days=item["finish"]["days"], date=item["finish"]["date_"]),
+            start=LockDate(days=item["start"]["days"], date_=item["start"]["date_"]),
+            finish=LockDate(days=item["finish"]["days"], date_=item["finish"]["date_"]),
             index=item["index"],
         )
-        for item in sorted(data, key=lambda d: d["index"], reverse=True)  # type: ignore[no-any-return]
+        for item in sorted(data, key=lambda d: d["index"], reverse=True)
     ]
diff --git a/brewman/brewman/routers/period.py b/brewman/brewman/routers/period.py
index 71955f49..e2ba8791 100644
--- a/brewman/brewman/routers/period.py
+++ b/brewman/brewman/routers/period.py
@@ -93,14 +93,14 @@ def show_id(
 
 def period_info(item: Period) -> schemas.Period:
     return schemas.Period(
-        id=item.id,
-        validFrom=item.valid_from,
-        validTill=item.valid_till,
+        id_=item.id,
+        valid_from=item.valid_from,
+        valid_till=item.valid_till,
     )
 
 
 def period_blank(request: Request) -> schemas.PeriodIn:
     return schemas.PeriodIn(
-        validFrom=get_start_date(request.session),
-        validTill=get_finish_date(request.session),
+        valid_from=get_start_date(request.session),  # type: ignore[arg-type]
+        valid_till=get_finish_date(request.session),  # type: ignore[arg-type]
     )
diff --git a/brewman/brewman/routers/product.py b/brewman/brewman/routers/product.py
index 74c468ff..894995b4 100644
--- a/brewman/brewman/routers/product.py
+++ b/brewman/brewman/routers/product.py
@@ -105,7 +105,7 @@ def update_route(
                     sku.cost_price = round(new_data_sku.cost_price, 2)
                     sku.sale_price = round(new_data_sku.sale_price, 2)
                 else:
-                    count: Decimal = db.execute(select(func.count()).where(Batch.sku_id == sku.id)).scalar_one()
+                    count: int = db.execute(select(func.count()).where(Batch.sku_id == sku.id)).scalar_one()
                     if count > 0:
                         raise HTTPException(
                             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
@@ -145,7 +145,7 @@ def delete_route(
                 status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                 detail=f"{item.name} is a fixture and cannot be edited or deleted.",
             )
-        count: Decimal = db.execute(
+        count: int = db.execute(
             select(func.count()).join(StockKeepingUnit.batches).where(StockKeepingUnit.product_id == id_)
         ).scalar_one()
         if count > 0:
@@ -217,12 +217,12 @@ async def show_term_sku(
                 rc_price = get_rc_price(item.id, d, v, db)
                 list_.append(
                     ProductSku(
-                        id=sku.id,
+                        id_=sku.id,
                         name=f"{item.name} ({sku.units})",
-                        fractionUnits=item.fraction_units,
-                        costPrice=sku.cost_price if rc_price is None else rc_price,
-                        salePrice=sku.sale_price,
-                        isRateContracted=False if rc_price is None else True,
+                        fraction_units=item.fraction_units,
+                        cost_price=sku.cost_price if rc_price is None else rc_price,
+                        sale_price=sku.sale_price,
+                        is_rate_contracted=False if rc_price is None else True,
                     )
                 )
     return list_
@@ -251,12 +251,12 @@ async def show_term_product(
         for item in db.execute(query_).unique().scalars().all():
             list_.append(
                 ProductSku(
-                    id=item.id,
+                    id_=item.id,
                     name=item.name,
-                    fractionUnits=item.fraction_units,
-                    costPrice=0,
-                    salePrice=0,
-                    isRateContracted=False,
+                    fraction_units=item.fraction_units,
+                    cost_price=Decimal(0),
+                    sale_price=Decimal(0),
+                    is_rate_contracted=False,
                 )
             )
     return list_
@@ -274,38 +274,38 @@ def show_id(
 
 def product_info(product: Product) -> schemas.Product:
     return schemas.Product(
-        id=product.id,
+        id_=product.id,
         code=product.code,
         name=product.name,
-        fractionUnits=product.fraction_units,
+        fraction_units=product.fraction_units,
         skus=[
             schemas.StockKeepingUnit(
-                id=sku.id,
+                id_=sku.id,
                 units=sku.units,
                 fraction=sku.fraction,
-                productYield=sku.product_yield,
-                costPrice=sku.cost_price,
-                salePrice=sku.sale_price,
+                product_yield=sku.product_yield,
+                cost_price=sku.cost_price,
+                sale_price=sku.sale_price,
             )
             for sku in product.skus
         ],
-        isActive=product.is_active,
-        isFixture=product.is_fixture,
-        isPurchased=product.is_purchased,
-        isSold=product.is_sold,
-        productGroup=schemas.ProductGroupLink(id=product.product_group.id, name=product.product_group.name),
+        is_active=product.is_active,
+        is_fixture=product.is_fixture,
+        is_purchased=product.is_purchased,
+        is_sold=product.is_sold,
+        product_group=schemas.ProductGroupLink(id_=product.product_group.id, name=product.product_group.name),
     )
 
 
 def product_blank() -> schemas.ProductBlank:
     return schemas.ProductBlank(
         name="",
-        fractionUnits="",
+        fraction_units="",
         skus=[],
-        isActive=True,
-        isPurchased=True,
-        isSold=False,
-        isFixture=False,
+        is_active=True,
+        is_purchased=True,
+        is_sold=False,
+        is_fixture=False,
     )
 
 
diff --git a/brewman/brewman/routers/product_group.py b/brewman/brewman/routers/product_group.py
index 4e6580d3..2f8a024a 100644
--- a/brewman/brewman/routers/product_group.py
+++ b/brewman/brewman/routers/product_group.py
@@ -110,14 +110,14 @@ def show_id(
 
 def product_group_info(item: ProductGroup) -> schemas.ProductGroup:
     return schemas.ProductGroup(
-        id=item.id,
+        id_=item.id,
         name=item.name,
-        isFixture=item.is_fixture,
+        is_fixture=item.is_fixture,
     )
 
 
 def product_group_blank() -> schemas.ProductGroupBlank:
     return schemas.ProductGroupBlank(
         name="",
-        isFixture=False,
+        is_fixture=False,
     )
diff --git a/brewman/brewman/routers/purchase.py b/brewman/brewman/routers/purchase.py
index 4bcb14d2..7ad5f282 100644
--- a/brewman/brewman/routers/purchase.py
+++ b/brewman/brewman/routers/purchase.py
@@ -75,7 +75,7 @@ def save(data: schema_in.PurchaseIn, user: UserToken, db: Session) -> Voucher:
         .join(Product.skus)
         .where(StockKeepingUnit.id.in_([i.batch.sku.id_ for i in data.inventories]))
     )
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 or_(
@@ -94,7 +94,7 @@ def save(data: schema_in.PurchaseIn, user: UserToken, db: Session) -> Voucher:
             detail=message,
         )
     voucher = Voucher(
-        date=data.date_,
+        date_=data.date_,
         narration=data.narration,
         is_starred=data.is_starred,
         user_id=user.id_,
@@ -109,7 +109,7 @@ def save_inventories(voucher: Voucher, vendor_id: uuid.UUID, inventories: list[I
         sku: StockKeepingUnit = db.execute(
             select(StockKeepingUnit).where(StockKeepingUnit.id == item.batch.sku.id_)
         ).scalar_one()
-        rc_price = rate_contract_price(sku.id, vendor_id, voucher.date, db)
+        rc_price = rate_contract_price(sku.id, vendor_id, voucher.date_, db)
         if rc_price is not None and rc_price != item.rate:
             raise HTTPException(
                 status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
@@ -119,7 +119,7 @@ def save_inventories(voucher: Voucher, vendor_id: uuid.UUID, inventories: list[I
             item.tax = Decimal(0)
             item.discount = Decimal(0)
         batch = Batch(
-            name=voucher.date,
+            name=voucher.date_,
             sku=sku,
             quantity_remaining=item.quantity,
             rate=item.rate,
@@ -143,7 +143,7 @@ def save_inventories(voucher: Voucher, vendor_id: uuid.UUID, inventories: list[I
 def save_journals(voucher: Voucher, ven: schema_in.AccountLink, db: Session) -> None:
     vendor = db.execute(select(AccountBase).where(AccountBase.id == ven.id_)).scalar_one()
     journals: dict[uuid.UUID, Journal] = {}
-    amount = 0
+    amount = Decimal(0)
     for i_item in voucher.inventories:
         account_id, cc_id = db.execute(
             select(AccountBase.id, AccountBase.cost_centre_id)
@@ -165,7 +165,7 @@ def save_journals(voucher: Voucher, ven: schema_in.AccountLink, db: Session) ->
         debit=-1,
         cost_centre_id=vendor.cost_centre_id,
         account_id=vendor.id,
-        amount=amount,  # type: ignore[arg-type]
+        amount=amount,
     )
     for item in journals.values():
         voucher.journals.append(item)
@@ -206,7 +206,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.PurchaseIn, user: UserToken,
         .join(Product.skus)
         .where(StockKeepingUnit.id.in_([i.batch.sku.id_ for i in data.inventories]))
     )
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 or_(
@@ -218,7 +218,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.PurchaseIn, user: UserToken,
         .scalars()
         .all()
     )
-    allowed, message = get_lock_info([voucher.date, data.date_], voucher.voucher_type, account_types, db)
+    allowed, message = get_lock_info([voucher.date_, data.date_], voucher.voucher_type, account_types, db)
     if not allowed:
         raise HTTPException(
             status_code=status.HTTP_423_LOCKED,
@@ -226,7 +226,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.PurchaseIn, user: UserToken,
         )
 
     check_voucher_edit_allowed(voucher, user)
-    voucher.date = data.date_
+    voucher.date_ = data.date_
     voucher.is_starred = data.is_starred
     voucher.narration = data.narration
     voucher.user_id = user.id_
@@ -248,8 +248,8 @@ def update_inventory(voucher: Voucher, vendor_id: uuid.UUID, inventories: list[I
             sku: StockKeepingUnit = db.execute(
                 select(StockKeepingUnit).where(StockKeepingUnit.id == item.batch.sku.id)
             ).scalar_one()
-            rc_price = rate_contract_price(sku.id, vendor_id, voucher.date, db)
-            if batch_has_older_vouchers(item.batch_id, voucher.date, voucher.id, db):
+            rc_price = rate_contract_price(sku.id, vendor_id, voucher.date_, db)
+            if batch_has_older_vouchers(item.batch_id, voucher.date_, voucher.id, db):
                 raise HTTPException(
                     status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                     detail=f"{item.batch.sku.product.name} has older vouchers",
@@ -269,7 +269,7 @@ def update_inventory(voucher: Voucher, vendor_id: uuid.UUID, inventories: list[I
                 )
             item.batch.quantity_remaining = new_inventory.quantity - quantity_consumed
             item.quantity = new_inventory.quantity
-            item.batch.name = voucher.date
+            item.batch.name = voucher.date_
             item.rate = new_inventory.rate
             item.batch.rate = new_inventory.rate
             item.discount = new_inventory.discount
@@ -314,7 +314,7 @@ def update_journals(voucher: Voucher, ven: schema_in.AccountLink, db: Session) -
                 debit=1,
                 cost_centre_id=cc_id,
                 account_id=account_id,
-                amount=i_item.amount,  # type: ignore[arg-type]
+                amount=i_item.amount,
             )
     journals[vendor.id] = Journal(
         debit=-1,
@@ -359,7 +359,7 @@ def show_blank(
     request: Request,
     user: UserToken = Security(get_user, scopes=["purchase"]),
 ) -> output.Voucher:
-    additional_info = BlankVoucherInfo(date=get_date(request.session), type=VoucherType.PURCHASE)
+    additional_info = BlankVoucherInfo(date_=get_date(request.session), type_=VoucherType.PURCHASE)  # type: ignore
     with SessionFuture() as db:
         return blank_voucher(additional_info, db)
 
@@ -380,6 +380,6 @@ def batch_has_older_vouchers(id_: uuid.UUID, date_: date, voucher_id: uuid.UUID,
         select(func.count())
         .join(Batch.inventories)
         .join(Inventory.voucher)
-        .where(Batch.id == id_, Voucher.date < date_, Voucher.id != voucher_id)
+        .where(Batch.id == id_, Voucher.date_ < date_, Voucher.id != voucher_id)
     ).scalar_one()
     return count_ > 0
diff --git a/brewman/brewman/routers/purchase_return.py b/brewman/brewman/routers/purchase_return.py
index 232a37b5..4e9689be 100644
--- a/brewman/brewman/routers/purchase_return.py
+++ b/brewman/brewman/routers/purchase_return.py
@@ -72,8 +72,8 @@ def save(data: schema_in.PurchaseIn, user: UserToken, db: Session) -> Voucher:
         .join(Product.skus)
         .where(StockKeepingUnit.id.in_([i.batch.sku.id_ for i in data.inventories]))
     )
-    account_types = (
-        db.execute(
+    account_types: list[int] = list(
+        db.execute(  # ignore[assignment]
             select(distinct(AccountBase.type_id)).where(
                 or_(
                     AccountBase.id == data.vendor.id_,
@@ -91,7 +91,7 @@ def save(data: schema_in.PurchaseIn, user: UserToken, db: Session) -> Voucher:
             detail=message,
         )
     voucher = Voucher(
-        date=data.date_,
+        date_=data.date_,
         narration=data.narration,
         is_starred=data.is_starred,
         user_id=user.id_,
@@ -110,7 +110,7 @@ def save_inventories(voucher: Voucher, inventories: list[InventorySchema], db: S
                 status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                 detail=f"{batch.sku.product.name} ({batch.sku.units}) stock is {batch.quantity_remaining}",
             )
-        if batch.name > voucher.date:
+        if batch.name > voucher.date_:
             raise HTTPException(
                 status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                 detail=f"{batch.sku.product.name} ({batch.sku.units}) "
@@ -200,7 +200,7 @@ def update_voucher(id_: uuid.UUID, data: schema_in.PurchaseIn, user: UserToken,
         .join(Product.skus)
         .where(StockKeepingUnit.id.in_([i.batch.sku.id_ for i in data.inventories]))
     )
-    account_types = (
+    account_types: list[int] = list(
         db.execute(
             select(distinct(AccountBase.type_id)).where(
                 or_(
@@ -212,14 +212,14 @@ def update_voucher(id_: uuid.UUID, data: schema_in.PurchaseIn, user: UserToken,
         .scalars()
         .all()
     )
-    allowed, message = get_lock_info([voucher.date, data.date_], voucher.voucher_type, account_types, db)
+    allowed, message = get_lock_info([voucher.date_, data.date_], voucher.voucher_type, account_types, db)
     if not allowed:
         raise HTTPException(
             status_code=status.HTTP_423_LOCKED,
             detail=message,
         )
     check_voucher_edit_allowed(voucher, user)
-    voucher.date = data.date_
+    voucher.date_ = data.date_
     voucher.is_starred = data.is_starred
     voucher.narration = data.narration
     voucher.user_id = user.id_
@@ -244,7 +244,7 @@ def update_inventory(voucher: Voucher, new_inventories: list[InventorySchema], d
                     detail=f"Maximum quantity available for "
                     f"{batch.sku.product.name} ({batch.sku.units}) is {batch_quantity}",
                 )
-            if batch.name > voucher.date:
+            if batch.name > voucher.date_:
                 raise HTTPException(
                     status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                     detail=f"Voucher cannot be before {item.batch.name.strftime('%d-%b-%Y')}",
@@ -280,7 +280,7 @@ def update_journals(voucher: Voucher, ven: schema_in.AccountLink, db: Session) -
                 debit=-1,
                 cost_centre_id=cc_id,
                 account_id=account_id,
-                amount=v_item.amount,  # type: ignore[arg-type]
+                amount=v_item.amount,
             )
     journals[vendor.id] = Journal(
         debit=1,
@@ -325,6 +325,6 @@ def show_blank(
     request: Request,
     user: UserToken = Security(get_user, scopes=["purchase-return"]),
 ) -> output.Voucher:
-    additional_info = BlankVoucherInfo(date=get_date(request.session), type=VoucherType.PURCHASE_RETURN)
+    additional_info = BlankVoucherInfo(date_=get_date(request.session), type_=VoucherType.PURCHASE_RETURN)  # type: ignore[arg-type]
     with SessionFuture() as db:
         return blank_voucher(additional_info, db)
diff --git a/brewman/brewman/routers/rate_contract.py b/brewman/brewman/routers/rate_contract.py
index 047342e0..ba07f3d6 100644
--- a/brewman/brewman/routers/rate_contract.py
+++ b/brewman/brewman/routers/rate_contract.py
@@ -37,7 +37,7 @@ async def save(
     try:
         with SessionFuture() as db:
             item = RateContract(
-                date=data.date_,
+                date_=data.date_,
                 vendor_id=data.vendor.id_,
                 valid_from=data.valid_from,
                 valid_till=data.valid_till,
@@ -46,8 +46,8 @@ async def save(
             )
             db.add(item)
             add_items(item, data.items, db)
-            set_date(data.date_.strftime("%d-%b-%Y"), request.session)
-            set_period(data.valid_from.strftime("%d-%b-%Y"), data.valid_till.strftime("%d-%b-%Y"), request.session)
+            set_date(data.date_, request.session)
+            set_period(data.valid_from, data.valid_till, request.session)
             db.commit()
             return rate_contract_info(item)
     except SQLAlchemyError as e:
@@ -74,15 +74,15 @@ async def update_route(
     try:
         with SessionFuture() as db:
             item: RateContract = db.execute(select(RateContract).where(RateContract.id == id_)).scalar_one()
-            item.date = data.date_
+            item.date_ = data.date_
             item.vendor_id = data.vendor.id_
             item.valid_from = data.valid_from
             item.valid_till = data.valid_till
             item.narration = data.narration
             item.user_id = user.id_
             update_items(item, data.items, db)
-            set_date(data.date_.strftime("%d-%b-%Y"), request.session)
-            set_period(data.valid_from.strftime("%d-%b-%Y"), data.valid_till.strftime("%d-%b-%Y"), request.session)
+            set_date(data.date_, request.session)
+            set_period(data.valid_from, data.valid_till, request.session)
             db.commit()
             return rate_contract_info(item)
     except SQLAlchemyError as e:
@@ -134,7 +134,7 @@ async def show_list(
     with SessionFuture() as db:
         return [
             rate_contract_info(item)
-            for item in db.execute(select(RateContract).order_by(RateContract.date)).scalars().all()
+            for item in db.execute(select(RateContract).order_by(RateContract.date_)).scalars().all()
         ]
 
 
@@ -150,20 +150,20 @@ async def show_id(
 
 def rate_contract_info(item: RateContract) -> RateContractSchema:
     return RateContractSchema(
-        id=item.id,
-        date=item.date,
-        vendor=AccountLink(id=item.vendor_id, name=item.vendor.name),
-        validFrom=item.valid_from,
-        validTill=item.valid_till,
+        id_=item.id,
+        date_=item.date_,
+        vendor=AccountLink(id_=item.vendor_id, name=item.vendor.name),
+        valid_from=item.valid_from,
+        valid_till=item.valid_till,
         narration=item.narration,
-        creationDate=item.creation_date,
-        lastEditDate=item.last_edit_date,
-        user=UserLink(id=item.user_id, name=item.user.name),
+        creation_date=item.creation_date,
+        last_edit_date=item.last_edit_date,
+        user=UserLink(id_=item.user_id, name=item.user.name),
         items=[
             RateContractItemSchema(
-                id=i.id,
+                id_=i.id,
                 sku=ProductLink(
-                    id=i.sku_id, name=f"{i.sku.product.name} ({i.sku.units})" if i.sku.units else i.sku.product.name
+                    id_=i.sku_id, name=f"{i.sku.product.name} ({i.sku.units})" if i.sku.units else i.sku.product.name
                 ),
                 price=i.price,
             )
@@ -174,9 +174,9 @@ def rate_contract_info(item: RateContract) -> RateContractSchema:
 
 def rate_contract_blank(session: dict) -> RateContractBlank:
     return RateContractBlank(
-        date=get_date(session),
-        validFrom=get_start_date(session),
-        validTill=get_finish_date(session),
+        date_=get_date(session),  # type: ignore[arg-type]
+        valid_from=get_start_date(session),  # type: ignore[arg-type]
+        valid_till=get_finish_date(session),  # type: ignore[arg-type]
         narration="",
         items=[],
     )
diff --git a/brewman/brewman/routers/rebase.py b/brewman/brewman/routers/rebase.py
index e6ecc0af..e38a119b 100644
--- a/brewman/brewman/routers/rebase.py
+++ b/brewman/brewman/routers/rebase.py
@@ -1,3 +1,4 @@
+# mypy: disable-error-code="arg-type"
 import uuid
 
 from datetime import date, datetime, timedelta
@@ -56,17 +57,17 @@ def rebase(
         db.commit()
 
 
-def save_starred(date_: date, db: Session) -> list[Voucher]:
+def save_starred(date_: date, db: Session) -> list[uuid.UUID]:
     accounts = [
         i.id for i in db.execute(select(AccountBase.id).where(AccountBase.is_starred == True)).all()  # noqa: E712
     ]
-    vouchers = []
+    vouchers: list[uuid.UUID] = []
     query = (
         db.execute(
             select(Voucher)
             .join(Voucher.journals)
             .join(Journal.account)
-            .where(Voucher.date < date_, Voucher.journals.any(Journal.account_id.in_(accounts)))
+            .where(Voucher.date_ < date_, Voucher.journals.any(Journal.account_id.in_(accounts)))
         )
         .unique()
         .scalars()
@@ -113,7 +114,7 @@ def opening_accounts(date_: date, user_id: uuid.UUID, db: Session) -> Voucher:
         .where(
             AccountBase.is_starred == False,  # noqa: E712
             AccountBase.id != AccountBase.suspense(),
-            Voucher.date < date_,
+            Voucher.date_ < date_,
             Voucher.voucher_type != VoucherType.ISSUE,
         )
         .having(sum_func != 0)
@@ -122,7 +123,7 @@ def opening_accounts(date_: date, user_id: uuid.UUID, db: Session) -> Voucher:
 
     dt = date_ - timedelta(days=1)
     voucher = Voucher(
-        date=dt,
+        date_=dt,
         narration="Opening Accounts",
         user_id=user_id,
         posted=True,
@@ -158,14 +159,14 @@ def opening_batches(date_: date, user_id: uuid.UUID, db: Session) -> Voucher:
         .join(Batch.inventories)
         .join(Inventory.voucher)
         .join(Voucher.journals)
-        .where(Voucher.date < date_, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
+        .where(Voucher.date_ < date_, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
         .having(sum_func != 0)
         .group_by(Batch)
     ).all()
 
     dt = date_ - timedelta(days=1)
     voucher = Voucher(
-        date=dt,
+        date_=dt,
         narration="Opening Batches",
         user_id=user_id,
         posted=True,
@@ -204,9 +205,9 @@ def opening_batches(date_: date, user_id: uuid.UUID, db: Session) -> Voucher:
     return voucher
 
 
-def delete_data(date_: date, vouchers: list[Voucher], db: Session) -> None:
+def delete_data(date_: date, vouchers: list[uuid.UUID], db: Session) -> None:
     sub_voucher = aliased(Voucher)
-    sub_query = select(sub_voucher.id).where(sub_voucher.date < date_).subquery()
+    sub_query = select(sub_voucher.id).where(sub_voucher.date_ < date_).subquery()
 
     db.execute(
         delete(Inventory).where(Inventory.voucher_id.in_(sub_query)).execution_options(synchronize_session=False)
@@ -237,7 +238,7 @@ def delete_data(date_: date, vouchers: list[Voucher], db: Session) -> None:
     )
     db.execute(
         delete(Voucher)
-        .where(Voucher.date < date_, ~Voucher.id.in_(vouchers))
+        .where(Voucher.date_ < date_, ~Voucher.id.in_(vouchers))
         .execution_options(synchronize_session=False)
     )
 
@@ -250,7 +251,7 @@ def cleanup_lint(date_: date, db: Session) -> None:
         .execution_options(synchronize_session=False)
     )
     db.execute(delete(Fingerprint).where(Fingerprint.date < date_).execution_options(synchronize_session=False))
-    db.execute(delete(Attendance).where(Attendance.date < date_).execution_options(synchronize_session=False))
+    db.execute(delete(Attendance).where(Attendance.date_ < date_).execution_options(synchronize_session=False))
     db.execute(
         delete(Employee)
         .where(
diff --git a/brewman/brewman/routers/recipe.py b/brewman/brewman/routers/recipe.py
index 0419fd75..4c7aa232 100644
--- a/brewman/brewman/routers/recipe.py
+++ b/brewman/brewman/routers/recipe.py
@@ -4,7 +4,9 @@ import uuid
 
 from collections import defaultdict
 from datetime import date
+from decimal import Decimal
 from io import BytesIO
+from typing import Sequence
 
 import brewman.schemas.recipe as schemas
 import brewman.schemas.recipe_item as rischemas
@@ -51,7 +53,7 @@ def save(
                     detail="Recipe has no ingredients",
                 )
             recipe = Recipe(
-                date=data.date_,
+                date_=data.date_,
                 source=data.source,
                 instructions=data.instructions,
                 garnishing=data.garnishing,
@@ -101,7 +103,7 @@ async def update_route(
 
             recipe.sku = sku
             recipe.recipe_yield = round(data.recipe_yield, 2)
-            recipe.date = data.date_
+            recipe.date_ = data.date_
             recipe.source = data.source
             recipe.instructions = data.instructions
             recipe.garnishing = data.garnishing
@@ -166,7 +168,7 @@ def delete_route(
 ) -> None:
     with SessionFuture() as db:
         recipe: Recipe = db.execute(select(Recipe).where(Recipe.id == id_)).scalar_one()
-        recipe_ids: list[uuid.UUID] = (
+        recipe_ids: Sequence[uuid.UUID] = (
             db.execute(
                 select(func.distinct(RecipeItem.recipe_id)).where(
                     RecipeItem.product_id
@@ -203,7 +205,7 @@ async def show_list(
     user: UserToken = Depends(get_user),
 ) -> list[schemas.Recipe]:
     with SessionFuture() as db:
-        list_: list[Recipe] = (
+        list_: Sequence[Recipe] = (
             db.execute(
                 select(Recipe)
                 .options(joinedload(Recipe.sku, innerjoin=True).joinedload(StockKeepingUnit.product, innerjoin=True))
@@ -214,16 +216,16 @@ async def show_list(
         )
         return [
             schemas.Recipe(
-                id=item.id,
-                sku=schemas.ProductLink(id=item.sku.id, name=item.sku.product.name),
-                date=item.date,
+                id_=item.id,
+                sku=schemas.ProductLink(id_=item.sku.id, name=item.sku.product.name),
+                date_=item.date_,
                 source=item.source,
                 instructions=item.instructions,
                 garnishing=item.garnishing,
                 plating=item.plating,
-                recipeYield=item.recipe_yield,
+                recipe_yield=item.recipe_yield,
                 notes=item.notes,
-                productGroupId=item.sku.product.product_group_id,
+                product_group_id=item.sku.product.product_group_id,
                 units=item.sku.units,
                 items=[],
             )
@@ -239,7 +241,7 @@ async def show_list(
 #     with SessionFuture() as db:
 #         product: Product = db.execute(select(Product).join(Product.skus).where(Product.id == id_)).unique().scalar_one()
 #         return ProductSku(
-#             id=id_,
+#             id_=id_,
 #             name=product.name,
 #             fractionUnits=product.fraction_units,
 #             isRateContracted=False,
@@ -278,7 +280,7 @@ def get_report(
         )
         if p is not None:
             q = q.where(Recipe.sku, StockKeepingUnit.product, Product.product_group_id == p)
-        list_: list[Recipe] = db.execute(q).unique().scalars().all()
+        list_: Sequence[Recipe] = db.execute(q).unique().scalars().all()
         e = excel(sorted(list_, key=lambda r: r.sku.product.name))
         e.seek(0)
 
@@ -286,7 +288,7 @@ def get_report(
         return StreamingResponse(e, media_type="text/xlsx", headers=headers)
 
 
-def excel(recipes: list[Recipe]) -> None:
+def excel(recipes: list[Recipe]) -> BytesIO:
     wb = Workbook()
     wb.active.title = "Rate List"
     pgs = set([x.sku.product.product_group.name for x in recipes])
@@ -325,7 +327,7 @@ def excel(recipes: list[Recipe]) -> None:
     return virtual_workbook
 
 
-def register_styles(wb: Workbook):
+def register_styles(wb: Workbook) -> tuple[NamedStyle, NamedStyle, NamedStyle, NamedStyle, NamedStyle]:
     bd = Side(style="thin", color="000000")
 
     recipe_name = NamedStyle(name="recipe_name")
@@ -371,23 +373,23 @@ def show_id(
 
 def recipe_info(recipe: Recipe) -> schemas.Recipe:
     return schemas.Recipe(
-        id=recipe.id,
+        id_=recipe.id,
         sku=schemas.ProductLink(
-            id=recipe.sku_id,
+            id_=recipe.sku_id,
             name=f"{recipe.sku.product.name} ({recipe.sku.units})",
         ),
-        date=recipe.date,
+        date_=recipe.date_,
         source=recipe.source,
         instructions=recipe.instructions,
         garnishing=recipe.garnishing,
         plating=recipe.plating,
-        recipeYield=recipe.recipe_yield,
+        recipe_yield=recipe.recipe_yield,
         notes="",
         items=[
             rischemas.RecipeItem(
-                id=item.id,
+                id_=item.id,
                 product=schemas.ProductLink(
-                    id=item.product.id,
+                    id_=item.product.id,
                     name=f"{item.product.name} ({item.product.fraction_units})",
                 ),
                 quantity=round(item.quantity, 2),
@@ -400,13 +402,12 @@ def recipe_info(recipe: Recipe) -> schemas.Recipe:
 
 def recipe_blank() -> schemas.RecipeBlank:
     return schemas.RecipeBlank(
-        date=date.today(),
+        date_=date.today(),
         source="",
         instructions="",
         garnishing="",
         plating="",
-        recipeYield=1,
-        isLocked=False,
+        recipe_yield=Decimal(1),
         notes="",
         items=[],
     )
diff --git a/brewman/brewman/routers/recipe_template.py b/brewman/brewman/routers/recipe_template.py
index dddec3a7..0be8b59f 100644
--- a/brewman/brewman/routers/recipe_template.py
+++ b/brewman/brewman/routers/recipe_template.py
@@ -26,7 +26,7 @@ def save(
             date_ = data.date_ if data.date_ is not None else datetime.date.today()
             if data.selected:
                 db.execute(update(RecipeTemplate).values(selected=False))
-            item = RecipeTemplate(id=None, name=data.name, date=date_, text=data.text, selected=data.selected)
+            item = RecipeTemplate(id=None, name=data.name, date_=date_, text=data.text, selected=data.selected)
             db.add(item)
             db.commit()
             return None
@@ -52,7 +52,7 @@ def update_route(
             item.name = data.name
             item.text = data.text
             item.selected = data.selected
-            item.date = date_
+            item.date_ = date_
             db.commit()
             return None
     except SQLAlchemyError as e:
@@ -83,7 +83,7 @@ def delete_route(
 def show_blank(
     user: UserToken = Security(get_user, scopes=["recipes"]),
 ) -> schemas.RecipeTemplateIn:
-    return schemas.RecipeTemplateIn(name="", date=datetime.date.today(), text="", selected=False)
+    return schemas.RecipeTemplateIn(name="", date_=datetime.date.today(), text="", selected=False)
 
 
 @router.get("/list", response_model=list[schemas.RecipeTemplate])
@@ -93,7 +93,8 @@ async def show_list(
     with SessionFuture() as db:
         list_ = db.execute(select(RecipeTemplate).order_by(RecipeTemplate.name)).scalars().all()
         return [
-            schemas.RecipeTemplate(id=i.id, name=i.name, date=i.date, text=i.text, selected=i.selected) for i in list_
+            schemas.RecipeTemplate(id_=i.id, name=i.name, date_=i.date_, text=i.text, selected=i.selected)
+            for i in list_
         ]
 
 
@@ -105,5 +106,5 @@ def show_id(
     with SessionFuture() as db:
         item = db.execute(select(RecipeTemplate).where(RecipeTemplate.id == id_)).scalar_one()
         return schemas.RecipeTemplate(
-            id=item.id, name=item.name, date=item.date, text=item.text, selected=item.selected
+            id_=item.id, name=item.name, date_=item.date_, text=item.text, selected=item.selected
         )
diff --git a/brewman/brewman/routers/reports/balance_sheet.py b/brewman/brewman/routers/reports/balance_sheet.py
index e6747fa5..84775015 100644
--- a/brewman/brewman/routers/reports/balance_sheet.py
+++ b/brewman/brewman/routers/reports/balance_sheet.py
@@ -29,7 +29,7 @@ def report_blank(
     request: Request,
     user: UserToken = Security(get_user, scopes=["balance-sheet"]),
 ) -> schemas.BalanceSheet:
-    return schemas.BalanceSheet(date=get_finish_date(request.session), body=[], footer=None)
+    return schemas.BalanceSheet(date_=get_finish_date(request.session), body=[], footer=None)
 
 
 @router.get("/{date_}", response_model=schemas.BalanceSheet)
@@ -41,7 +41,7 @@ def report_data(
     with SessionFuture() as db:
         body, footer = build_balance_sheet(datetime.strptime(date_, "%d-%b-%Y"), db)
         set_period(get_start_date(request.session), date_, request.session)
-        return schemas.BalanceSheet(date=date_, body=body, footer=footer)
+        return schemas.BalanceSheet(date_=date_, body=body, footer=footer)
 
 
 def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceSheetItem], schemas.BalanceSheetItem]:
@@ -59,7 +59,7 @@ def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceS
             name="Net Loss" if net_profit >= 0 else "Net Profit",
             group="",
             amount=Decimal(0),
-            subAmount=round(net_profit, 2),
+            sub_amount=round(net_profit, 2),
             order=79000,
         )
     )
@@ -69,14 +69,14 @@ def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceS
         name="",
         group=capital_group.name,
         amount=round(total_amount, 2),
-        subAmount=Decimal(0),
+        sub_amount=Decimal(0),
         order=capital_group.order,
     )
 
     total_amount += closing_stock
     report.append(
         schemas.BalanceSheetItem(
-            name="Closing Stock", group="", amount=Decimal(0), subAmount=round(closing_stock, 2), order=20001
+            name="Closing Stock", group="", amount=Decimal(0), sub_amount=round(closing_stock, 2), order=20001
         )
     )
 
@@ -85,7 +85,7 @@ def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceS
         name="",
         group=asset_group.name,
         amount=round(closing_stock, 2),
-        subAmount=Decimal(0),
+        sub_amount=Decimal(0),
         order=asset_group.order,
     )
 
@@ -95,11 +95,11 @@ def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceS
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date <= date_,
+            Voucher.date_ <= date_,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             AccountBase.type_id.in_(type_list),
         )
-        .group_by(AccountBase)
+        .group_by(AccountBase)  # type: ignore
         .order_by(AccountBase.type_id, desc(func.abs(amount_sum)))
     ).all()
 
@@ -114,7 +114,7 @@ def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceS
                     name=account.name,
                     group="",
                     amount=Decimal(0),
-                    subAmount=round(amount, 2),
+                    sub_amount=round(amount, 2),
                     order=account.type_.order + counter,
                 )
             )
@@ -125,7 +125,7 @@ def build_balance_sheet(date_: date, db: Session) -> tuple[list[schemas.BalanceS
                     name="",
                     group=account.type_.name,
                     amount=round(amount, 2),
-                    subAmount=Decimal(0),
+                    sub_amount=Decimal(0),
                     order=account.type_.order,
                 )
 
diff --git a/brewman/brewman/routers/reports/cash_flow.py b/brewman/brewman/routers/reports/cash_flow.py
index 78262246..dcfbc065 100644
--- a/brewman/brewman/routers/reports/cash_flow.py
+++ b/brewman/brewman/routers/reports/cash_flow.py
@@ -1,4 +1,5 @@
 from datetime import date, datetime
+from decimal import Decimal
 
 import brewman.schemas.cash_flow as schemas
 
@@ -27,8 +28,8 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["cash-flow"]),
 ) -> schemas.CashFlow:
     return schemas.CashFlow(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=schemas.CashFlowBody(operating=[], investing=[], financing=[], details=[]),
         footer=[],
     )
@@ -47,8 +48,8 @@ def report_data(
         body, footer = build_report(start_date, finish_date, db)
         set_period(s, f, request.session)
         return schemas.CashFlow(
-            startDate=s,
-            finishDate=f,
+            start_date=s,
+            finish_date=f,
             body=body,
             footer=footer,
         )
@@ -68,8 +69,8 @@ def report_id(
         body, footer = build_report_id(id_, start_date, finish_date, db)
         set_period(s, f, request.session)
         return schemas.CashFlow(
-            startDate=s,
-            finishDate=f,
+            start_date=s,
+            finish_date=f,
             body=body,
             footer=footer,
         )
@@ -84,8 +85,8 @@ def build_report(
         .join(Journal.account)
         .where(
             AccountBase.type_id == select(AccountType.id).where(AccountType.name == "Cash").scalar_subquery(),
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
         )
     )
 
@@ -98,11 +99,11 @@ def build_report(
             Voucher.id.in_(sub_query),
             AccountBase.type_id != select(AccountType.id).where(AccountType.name == "Cash").scalar_subquery(),
         )
-        .group_by(AccountType)
+        .group_by(AccountType)  # type: ignore
         .order_by(func.sum(Journal.signed_amount))
     ).all()
 
-    total_amount = 0
+    total_amount = Decimal(0)
     cf: schemas.CashFlowBody = schemas.CashFlowBody(operating=[], investing=[], financing=[], details=[])
     dict_ = {"operating": cf.operating, "investing": cf.investing, "financing": cf.investing, "details": cf.details}
     for account_type, amount in query:
@@ -115,27 +116,27 @@ def build_report(
             )
         )
 
-    opening = db.execute(
+    opening: Decimal = db.execute(
         select(func.sum(Journal.amount * Journal.debit))
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date < start_date,
+            Voucher.date_ < start_date,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             AccountBase.type_id == select(AccountType.id).where(AccountType.name == "Cash"),
         )
-    ).scalar()
+    ).scalar() or Decimal(0)
 
-    closing = db.execute(
+    closing: Decimal = db.execute(
         select(func.sum(Journal.amount * Journal.debit))
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date <= finish_date,
+            Voucher.date_ <= finish_date,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             AccountBase.type_id == select(AccountType.id).where(AccountType.name == "Cash"),
         )
-    ).scalar()
+    ).scalar() or Decimal(0)
 
     return (
         cf,
@@ -166,8 +167,8 @@ def build_report_id(
         .join(Journal.account)
         .where(
             AccountBase.type_id == select(AccountType.id).where(AccountType.name == "Cash").scalar_subquery(),
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
         )
     )
 
@@ -176,11 +177,11 @@ def build_report_id(
         .join(Journal, Voucher.journals)
         .join(AccountBase, Journal.account)
         .where(Voucher.id.in_(sub_query), AccountBase.type_id == account_type)
-        .group_by(AccountBase)
+        .group_by(AccountBase)  # type: ignore
         .order_by(desc(func.sum(Journal.amount)))
     ).all()
 
-    total_amount = 0
+    total_amount = Decimal(0)
     for account, amount in query:
         total_amount += amount * -1
         details.append(
diff --git a/brewman/brewman/routers/reports/closing_stock.py b/brewman/brewman/routers/reports/closing_stock.py
index 36dbe431..efa573f7 100644
--- a/brewman/brewman/routers/reports/closing_stock.py
+++ b/brewman/brewman/routers/reports/closing_stock.py
@@ -38,9 +38,9 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["closing-stock"]),
 ) -> schemas.ClosingStock:
     return schemas.ClosingStock(
-        date=get_finish_date(request.session),
+        date_=get_finish_date(request.session),  # type: ignore
         posted=False,
-        costCentre=schemas.CostCentreLink(id=CostCentre.cost_centre_purchase()),
+        cost_centre=schemas.CostCentreLink(id_=CostCentre.cost_centre_purchase()),
         items=[],
     )
 
@@ -92,7 +92,7 @@ def post_voucher(
             vouchers = (
                 db.execute(
                     select(Voucher.id).where(
-                        Voucher.date == date_obj, Voucher.voucher_type == VoucherType.CLOSING_STOCK
+                        Voucher.date_ == date_obj, Voucher.voucher_type == VoucherType.CLOSING_STOCK
                     )
                 )
                 .scalars()
@@ -117,21 +117,21 @@ def post_voucher(
 
 def full_report(date_: date, cost_centre_id: uuid.UUID, db: Session) -> schemas.ClosingStock:
     voucher = (
-        db.execute(select(Voucher).where(Voucher.date == date_, Voucher.voucher_type == VoucherType.CLOSING_STOCK))
+        db.execute(select(Voucher).where(Voucher.date_ == date_, Voucher.voucher_type == VoucherType.CLOSING_STOCK))
         .scalars()
         .first()
     )
     return schemas.ClosingStock(
-        date=date_,
-        costCentre=schemas.CostCentreLink(id=cost_centre_id),
+        date_=date_,
+        cost_centre=schemas.CostCentreLink(id_=cost_centre_id),
         items=build_report(date_, cost_centre_id, db),
-        creationDate=voucher.creation_date if voucher is not None else None,
-        lastEditDate=voucher.last_edit_date if voucher is not None else None,
-        user=schemas.UserLink(id=voucher.user.id, name=voucher.user.name) if voucher is not None else None,
+        creation_date=voucher.creation_date if voucher is not None else None,
+        last_edit_date=voucher.last_edit_date if voucher is not None else None,
+        user=schemas.UserLink(id_=voucher.user.id, name=voucher.user.name) if voucher is not None else None,
         posted=voucher.posted if voucher is not None else False,
         poster=None
         if voucher is None or voucher.poster is None
-        else schemas.UserLink(id=voucher.poster.id, name=voucher.poster.name),
+        else schemas.UserLink(id_=voucher.poster.id, name=voucher.poster.name),
     )
 
 
@@ -148,11 +148,11 @@ def build_report(date_: date, cost_centre_id: uuid.UUID, db: Session) -> list[sc
         .join(Voucher.journals)
         .options(contains_eager(StockKeepingUnit.product).contains_eager(Product.product_group))
         .where(
-            Voucher.date <= date_,
+            Voucher.date_ <= date_,
             Journal.cost_centre_id == cost_centre_id,
-            or_(Voucher.voucher_type != VoucherType.CLOSING_STOCK, Voucher.date != date_),
+            or_(Voucher.voucher_type != VoucherType.CLOSING_STOCK, Voucher.date_ != date_),
         )
-        .group_by(StockKeepingUnit, Product, ProductGroup)
+        .group_by(StockKeepingUnit, Product, ProductGroup)  # type: ignore
         .order_by(ProductGroup.name, Product.name, StockKeepingUnit.units)
     ).all()
 
@@ -171,7 +171,7 @@ def build_report(date_: date, cost_centre_id: uuid.UUID, db: Session) -> list[sc
         .join(Inventory.batch)
         .where(
             Voucher.voucher_type == VoucherType.CLOSING_STOCK,
-            Voucher.date == date_,
+            Voucher.date_ == date_,
             Journal.cost_centre_id != cost_centre_id,
             Voucher.id.in_(select(Journal.voucher_id).where(Journal.cost_centre_id == cost_centre_id)),
         )
@@ -183,16 +183,16 @@ def build_report(date_: date, cost_centre_id: uuid.UUID, db: Session) -> list[sc
         if quantity != 0 and amount != 0:
             id_ = next((p.id for p in physical_list if p.sku_id == sku.id), None)
             physical = next((p.quantity for p in physical_list if p.sku_id == sku.id), quantity)
-            cc = next((schemas.CostCentreLink(id=c) for (c, s) in ccs if s == sku.id), None)
+            cc = next((schemas.CostCentreLink(id_=c) for (c, s) in ccs if s == sku.id), None)
             body.append(
                 schemas.ClosingStockItem(
-                    id=id_,
-                    product=schemas.ProductLink(id=sku.id, name=f"{sku.product.name} ({sku.units})"),
+                    id_=id_,
+                    product=schemas.ProductLink(id_=sku.id, name=f"{sku.product.name} ({sku.units})"),
                     group=sku.product.product_group.name,
                     quantity=quantity,
                     amount=amount,
                     physical=physical,
-                    costCentre=cc,
+                    cost_centre=cc,
                 )
             )
     return body
@@ -204,7 +204,7 @@ def get_opening_stock(date_: date, db: Session) -> Decimal:
         .join(Journal.voucher)
         .join(Journal.account)
         .join(Voucher.inventories)
-        .where(Voucher.date < date_, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
+        .where(Voucher.date_ < date_, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
     ).scalar()
     return Decimal(0) if opening_stock is None else opening_stock
 
@@ -215,7 +215,7 @@ def get_closing_stock(date_: date, db: Session) -> Decimal:
         .join(Journal.voucher)
         .join(Journal.account)
         .join(Voucher.inventories)
-        .where(Voucher.date <= date_, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
+        .where(Voucher.date_ <= date_, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
     ).scalar()
     return Decimal(0) if closing_stock is None else closing_stock
 
@@ -264,7 +264,7 @@ def save_route(
                 items = [d for d in data.items if d.cost_centre is not None and d.cost_centre.id_ == dep]
                 item = save(data.date_, items, user, db)
                 save_inventories(item, items, db)
-                amount: Decimal = sum(i.amount for i in item.inventories)  # type: ignore[assignment, misc]
+                amount: Decimal = sum(i.amount for i in item.inventories) or Decimal(0)
                 save_journals(item, data.cost_centre.id_, dep, amount, db)
                 check_journals_are_valid(item)
             db.commit()
@@ -286,10 +286,10 @@ def save_cs(data: schemas.ClosingStock, db: Session) -> None:
 
 
 def save(date_: date, items: list[schemas.ClosingStockItem], user: UserToken, db: Session) -> Voucher:
-    product_accounts = (
+    product_accounts: list[uuid.UUID] = list(  # type: ignore
         select(Product.account_id).join(Product.skus).where(StockKeepingUnit.id.in_([i.product.id_ for i in items]))
     )
-    account_types = (
+    account_types: list[int] = list(
         db.execute(select(distinct(AccountBase.type_id)).where(AccountBase.id.in_(product_accounts))).scalars().all()
     )
     allowed, message = get_lock_info([date_], VoucherType.CLOSING_STOCK, account_types, db)
@@ -299,7 +299,7 @@ def save(date_: date, items: list[schemas.ClosingStockItem], user: UserToken, db
             detail=message,
         )
     voucher = Voucher(
-        date=date_,
+        date_=date_,
         narration="",
         is_starred=False,
         user_id=user.id_,
@@ -311,10 +311,10 @@ def save(date_: date, items: list[schemas.ClosingStockItem], user: UserToken, db
 
 def save_inventories(voucher: Voucher, items: list[schemas.ClosingStockItem], db: Session) -> None:
     for item in items:
-        batches = (
+        batches = list(
             db.execute(
                 select(Batch)
-                .where(Batch.sku_id == item.product.id_, Batch.quantity_remaining != 0, Batch.name <= voucher.date)
+                .where(Batch.sku_id == item.product.id_, Batch.quantity_remaining != 0, Batch.name <= voucher.date_)
                 .order_by(Batch.name)
             )
             .scalars()
@@ -381,7 +381,7 @@ def update_cs(date_: date, cost_centre_id: uuid.UUID, items: list[schemas.Closin
 
 def delete_old_vouchers(date_: date, cost_centre_id: uuid.UUID, db: Session) -> None:
     vouchers = (
-        db.execute(select(Voucher.id).where(Voucher.date == date_, Voucher.voucher_type == VoucherType.CLOSING_STOCK))
+        db.execute(select(Voucher.id).where(Voucher.date_ == date_, Voucher.voucher_type == VoucherType.CLOSING_STOCK))
         .scalars()
         .all()
     )
diff --git a/brewman/brewman/routers/reports/daybook.py b/brewman/brewman/routers/reports/daybook.py
index 2a58c0f4..5feba9fe 100644
--- a/brewman/brewman/routers/reports/daybook.py
+++ b/brewman/brewman/routers/reports/daybook.py
@@ -1,4 +1,5 @@
 from datetime import date, datetime
+from decimal import Decimal
 
 import brewman.schemas.daybook as schemas
 
@@ -24,8 +25,8 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["daybook"]),
 ) -> schemas.Daybook:
     return schemas.Daybook(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
     )
 
@@ -42,7 +43,7 @@ def report_data(
     with SessionFuture() as db:
         body = build_report(start_date, finish_date, db)
         set_period(start, finish, request.session)
-        return schemas.Daybook(startDate=start_date, finishDate=finish_date, body=body)
+        return schemas.Daybook(start_date=start_date, finish_date=finish_date, body=body)
 
 
 def build_report(start_date: date, finish_date: date, db: Session) -> list[schemas.DaybookItem]:
@@ -54,11 +55,11 @@ def build_report(start_date: date, finish_date: date, db: Session) -> list[schem
             .join(Voucher.journals)
             .join(Journal.account)
             .where(
-                Voucher.date >= start_date,
-                Voucher.date <= finish_date,
+                Voucher.date_ >= start_date,
+                Voucher.date_ <= finish_date,
                 not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             )
-            .order_by(Voucher.date, Voucher.last_edit_date)
+            .order_by(Voucher.date_, Voucher.last_edit_date)
         )
         .unique()
         .scalars()
@@ -66,8 +67,8 @@ def build_report(start_date: date, finish_date: date, db: Session) -> list[schem
     )
 
     for voucher in query:
-        debit = 0
-        credit = 0
+        debit = Decimal(0)
+        credit = Decimal(0)
         name_debit = ""
         name_credit = ""
         for journal in voucher.journals:
@@ -82,20 +83,20 @@ def build_report(start_date: date, finish_date: date, db: Session) -> list[schem
 
         body.append(
             schemas.DaybookItem(
-                id=voucher.id,
-                date=voucher.date.strftime("%d-%b-%Y"),
+                id_=voucher.id,
+                date_=voucher.date_,
                 url=[
                     "/",
                     voucher.voucher_type.name.replace("_", "-").lower(),
                     str(voucher.id),
                 ],
-                type=voucher.voucher_type.name.replace("_", " ").title(),
+                type_=voucher.voucher_type.name.replace("_", " ").title(),
                 narration=voucher.narration,
                 posted=voucher.posted,
-                debitText=name_debit,
-                debitAmount=debit,
-                creditText=name_credit,
-                creditAmount=credit,
+                debit_text=name_debit,
+                debit_amount=debit,
+                credit_text=name_credit,
+                credit_amount=credit,
             )
         )
     return body
diff --git a/brewman/brewman/routers/reports/entries.py b/brewman/brewman/routers/reports/entries.py
index 774fb3d0..6e4163c3 100644
--- a/brewman/brewman/routers/reports/entries.py
+++ b/brewman/brewman/routers/reports/entries.py
@@ -1,4 +1,6 @@
 from datetime import date, datetime, time, timedelta
+from decimal import Decimal
+from typing import Sequence
 
 import brewman.schemas.entries as schemas
 
@@ -30,7 +32,7 @@ def build_report(
     active_sort: str,
     sort_direction: str,
     db: Session,
-) -> tuple[int, list[Voucher]]:
+) -> tuple[int, Sequence[Voucher]]:
     query = (
         select(Voucher)
         .join(Voucher.user)
@@ -42,7 +44,7 @@ def build_report(
         )
     )
     sq = select(Voucher.id)
-    counts = select(count(Voucher.id))
+    counts = select(count(Voucher.id))  # type: ignore[no-untyped-call]
     if start_date is not None:
         sd = datetime.combine(start_date, time(5, 30))
         sq = sq.where(or_(Voucher.creation_date >= sd, Voucher.last_edit_date >= sd))
@@ -61,11 +63,11 @@ def build_report(
         )
     if active_sort == "date":
         if sort_direction == "desc":
-            sq = sq.order_by(desc(Voucher.date), desc(Voucher.last_edit_date))
-            query = query.order_by(desc(Voucher.date), desc(Voucher.last_edit_date))
+            sq = sq.order_by(desc(Voucher.date_), desc(Voucher.last_edit_date))
+            query = query.order_by(desc(Voucher.date_), desc(Voucher.last_edit_date))
         else:
-            sq = sq.order_by(Voucher.date, Voucher.last_edit_date)
-            query = query.order_by(Voucher.date, Voucher.last_edit_date)
+            sq = sq.order_by(Voucher.date_, Voucher.last_edit_date)
+            query = query.order_by(Voucher.date_, Voucher.last_edit_date)
     if active_sort == "user":
         if sort_direction == "desc":
             sq = sq.order_by(desc(Voucher.last_edit_date))
@@ -100,22 +102,22 @@ def report_data(
             counts=counts,
             report=[
                 schemas.Entries(
-                    id=voucher.id,
-                    date=voucher.date,
+                    id_=voucher.id,
+                    date_=voucher.date_,
                     url=[
                         "/",
                         voucher.voucher_type.name.replace("_", "-").lower(),
                         str(voucher.id),
                     ],
-                    type=voucher.voucher_type.name.replace("_", " ").title(),
+                    type_=voucher.voucher_type.name.replace("_", " ").title(),
                     posted=voucher.posted,
                     narration=voucher.narration,
-                    debitNames=[x.account.name for x in voucher.journals if x.debit == 1],
-                    creditNames=[x.account.name for x in voucher.journals if x.debit != 1],
-                    amount=sum(x.amount for x in voucher.journals if x.debit != 1),
-                    creationDate=voucher.creation_date,
-                    lastEditDate=voucher.last_edit_date,
-                    user=UserLink(id=voucher.user.id, name=voucher.user.name),
+                    debit_names=[x.account.name for x in voucher.journals if x.debit == 1],
+                    credit_names=[x.account.name for x in voucher.journals if x.debit != 1],
+                    amount=sum(x.amount for x in voucher.journals if x.debit != 1) or Decimal(0),
+                    creation_date=voucher.creation_date,
+                    last_edit_date=voucher.last_edit_date,
+                    user=UserLink(id_=voucher.user.id, name=voucher.user.name),
                 )
                 for voucher in report
             ],
diff --git a/brewman/brewman/routers/reports/ledger.py b/brewman/brewman/routers/reports/ledger.py
index 62105794..6ca87a7a 100644
--- a/brewman/brewman/routers/reports/ledger.py
+++ b/brewman/brewman/routers/reports/ledger.py
@@ -1,6 +1,8 @@
 import datetime
 import uuid
 
+from decimal import Decimal
+
 import brewman.schemas.ledger as schemas
 
 from fastapi import APIRouter, Request, Security
@@ -27,8 +29,8 @@ def show_blank(
     user: UserToken = Security(get_user, scopes=["ledger"]),
 ) -> schemas.Ledger:
     return schemas.Ledger(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         account=None,
         body=[],
     )
@@ -49,9 +51,9 @@ def show_data(
         body = build_report(account.id, start_date, finish_date, db)
         set_period(start_date, finish_date, request.session)
         return schemas.Ledger(
-            startDate=start_date,
-            finishDate=finish_date,
-            account=schemas.AccountLink(id=account.id, name=account.name),
+            start_date=start_date,
+            finish_date=finish_date,
+            account=schemas.AccountLink(id_=account.id, name=account.name),
             body=body,
         )
 
@@ -68,11 +70,11 @@ def build_report(account_id: uuid.UUID, start_date: str, finish_date: str, db: S
             .join(Journal.account)
             .where(
                 Voucher.journals.any(Journal.account_id == account_id),
-                Voucher.date >= datetime.datetime.strptime(start_date, "%d-%b-%Y"),
-                Voucher.date <= datetime.datetime.strptime(finish_date, "%d-%b-%Y"),
+                Voucher.date_ >= datetime.datetime.strptime(start_date, "%d-%b-%Y"),
+                Voucher.date_ <= datetime.datetime.strptime(finish_date, "%d-%b-%Y"),
                 not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             )
-            .order_by(Voucher.date, Voucher.last_edit_date)
+            .order_by(Voucher.date_, Voucher.last_edit_date)
         )
         .unique()
         .scalars()
@@ -80,8 +82,8 @@ def build_report(account_id: uuid.UUID, start_date: str, finish_date: str, db: S
     )
 
     for voucher in query:
-        debit = 0
-        credit = 0
+        debit = Decimal(0)
+        credit = Decimal(0)
         journal_debit = 0
         name = ""
         for journal in voucher.journals:
@@ -89,25 +91,25 @@ def build_report(account_id: uuid.UUID, start_date: str, finish_date: str, db: S
                 journal_debit = journal.debit
                 if journal.debit == 1:
                     debit = journal.amount
-                    credit = 0
+                    credit = Decimal(0)
                 else:
                     credit = journal.amount
-                    debit = 0
+                    debit = Decimal(0)
         for journal in voucher.journals:
             if journal.debit != journal_debit:
                 name += "{0} / ".format(journal.account.name)
         name = name[:-3]
         body.append(
             schemas.LedgerItem(
-                id=voucher.id,
-                date=voucher.date.strftime("%d-%b-%Y"),
+                id_=voucher.id,
+                date_=voucher.date_,
                 name=name,
                 url=[
                     "/",
                     voucher.voucher_type.name.replace("_", "-").lower(),
                     str(voucher.id),
                 ],
-                type=voucher.voucher_type.name.replace("_", " ").title(),
+                type_=voucher.voucher_type.name.replace("_", " ").title(),
                 narration=voucher.narration,
                 debit=debit,
                 credit=credit,
@@ -122,23 +124,23 @@ def opening_balance(account_id: uuid.UUID, start_date: str, db: Session) -> sche
         select(func.sum(Journal.amount * Journal.debit))
         .join(Journal.voucher)
         .where(
-            Voucher.date < datetime.datetime.strptime(start_date, "%d-%b-%Y"),
+            Voucher.date_ < datetime.datetime.strptime(start_date, "%d-%b-%Y"),
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             Journal.account_id == account_id,
         )
     ).scalar()
-    opening = 0 if opening is None else opening
+    opening = Decimal(0) if opening is None else opening
     if opening < 0:
         credit = opening * -1
-        debit = 0
+        debit = Decimal(0)
     else:
         debit = opening
-        credit = 0
+        credit = Decimal(0)
     return schemas.LedgerItem(
-        date=start_date,
-        id=None,
+        date_=start_date,
+        id_=None,
         name="Opening Balance",
-        type="Opening Balance",
+        type_="Opening Balance",
         url=[],
         narration="",
         debit=debit,
diff --git a/brewman/brewman/routers/reports/net_transactions.py b/brewman/brewman/routers/reports/net_transactions.py
index b8ecadcd..685b1543 100644
--- a/brewman/brewman/routers/reports/net_transactions.py
+++ b/brewman/brewman/routers/reports/net_transactions.py
@@ -26,8 +26,8 @@ def show_blank(
     user: UserToken = Security(get_user, scopes=["net-transactions"]),
 ) -> schemas.NetTransactions:
     return schemas.NetTransactions(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
     )
 
@@ -42,8 +42,8 @@ def show_data(
     set_period(start, finish, request.session)
     with SessionFuture() as db:
         return schemas.NetTransactions(
-            startDate=start,
-            finishDate=finish,
+            start_date=start,
+            finish_date=finish,
             body=build_report(
                 datetime.strptime(start, "%d-%b-%Y"),
                 datetime.strptime(finish, "%d-%b-%Y"),
@@ -59,18 +59,18 @@ def build_report(start_date: date, finish_date: date, db: Session) -> list[schem
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
         )
-        .group_by(AccountBase)
+        .group_by(AccountBase)  # type: ignore
         .order_by(AccountBase.type_id, desc(func.abs(amount_sum)))
     ).all()
 
     body = []
     for account, amount in query:
         if amount != 0:
-            item = schemas.NetTransactionsItem(type=account.type_.name, name=account.name)
+            item = schemas.NetTransactionsItem(type_=account.type_.name, name=account.name)
             if amount > 0:
                 item.debit = amount
             else:
diff --git a/brewman/brewman/routers/reports/non_contract_purchase.py b/brewman/brewman/routers/reports/non_contract_purchase.py
index 8f12ebf6..e134c881 100644
--- a/brewman/brewman/routers/reports/non_contract_purchase.py
+++ b/brewman/brewman/routers/reports/non_contract_purchase.py
@@ -29,7 +29,7 @@ def non_contract_purchases(
 
 def report(db: Session) -> list[schemas.NonContractPurchase]:
     rcs: list[RateContract] = (
-        db.execute(
+        db.execute(  # type: ignore
             select(RateContract)
             .join(RateContract.vendor)
             .join(RateContract.items)
@@ -48,14 +48,14 @@ def report(db: Session) -> list[schemas.NonContractPurchase]:
     for rc in rcs:
         for item in rc.items:
             invs = db.execute(
-                select(Voucher.id, Voucher.date, Inventory.id, Inventory.rate)
+                select(Voucher.id, Voucher.date_, Inventory.id, Inventory.rate)
                 .join(Inventory.batch)
                 .join(Inventory.voucher)
                 .join(Voucher.journals)
                 .where(
                     Batch.sku_id == item.sku_id,
-                    Voucher.date >= rc.valid_from,
-                    Voucher.date <= rc.valid_till,
+                    Voucher.date_ >= rc.valid_from,
+                    Voucher.date_ <= rc.valid_till,
                     Voucher.voucher_type == VoucherType.PURCHASE,
                     Journal.account_id == rc.vendor_id,
                     Inventory.rate != item.price,
@@ -69,7 +69,7 @@ def report(db: Session) -> list[schemas.NonContractPurchase]:
                 ).one()
                 list_.append(
                     schemas.NonContractPurchase(
-                        date=inv.date,
+                        date_=inv.date_,
                         vendor=rc.vendor.name,
                         product=f"{p} ({u})",
                         url=[
@@ -77,8 +77,8 @@ def report(db: Session) -> list[schemas.NonContractPurchase]:
                             "purchase",
                             str(inv.id),
                         ],
-                        contractPrice=item.price,
-                        purchasePrice=inv.rate,
+                        contract_price=item.price,
+                        purchase_price=inv.rate,
                     )
                 )
     return list_
diff --git a/brewman/brewman/routers/reports/product_ledger.py b/brewman/brewman/routers/reports/product_ledger.py
index 8dfa520f..f9faaa4a 100644
--- a/brewman/brewman/routers/reports/product_ledger.py
+++ b/brewman/brewman/routers/reports/product_ledger.py
@@ -32,8 +32,8 @@ def show_blank(
     user: UserToken = Security(get_user, scopes=["product-ledger"]),
 ) -> schemas.ProductLedger:
     return schemas.ProductLedger(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         product=None,
         body=[],
     )
@@ -59,9 +59,9 @@ def show_data(
         )
         set_period(start_date, finish_date, request.session)
         return schemas.ProductLedger(
-            startDate=start_date,
-            finishDate=finish_date,
-            product=schemas.ProductLink(id=product.id, name=product.name),
+            start_date=start_date,
+            finish_date=finish_date,
+            product=schemas.ProductLink(id_=product.id, name=product.name),
             body=body,
         )
 
@@ -86,10 +86,10 @@ def build_report(
         .where(
             StockKeepingUnit.product_id == product_id,
             Journal.cost_centre_id != CostCentre.cost_centre_purchase(),
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
         )
-        .order_by(Voucher.date, Voucher.last_edit_date)
+        .order_by(Voucher.date_, Voucher.last_edit_date)
     ).all()
 
     for voucher, inventory, journal, stockKeepingUnit in query:
@@ -111,8 +111,8 @@ def build_report(
 
         body.append(
             schemas.ProductLedgerItem(
-                id=voucher.id,
-                date=voucher.date,
+                id_=voucher.id,
+                date_=voucher.date,
                 name=name,
                 url=[
                     "/",
@@ -121,17 +121,17 @@ def build_report(
                     if voucher.voucher_type != VoucherType.CLOSING_STOCK
                     else voucher.date.strftime("%d-%b-%Y"),
                 ],
-                type=voucher.voucher_type.name.replace("_", " ").title(),
+                type_=voucher.voucher_type.name.replace("_", " ").title(),
                 narration=voucher.narration,
                 posted=voucher.posted or voucher.voucher_type in [VoucherType.ISSUE, VoucherType.CLOSING_STOCK],
-                debitQuantity=debit_q,
-                debitAmount=debit_a,
-                debitUnit=debit_u,
-                creditQuantity=credit_q,
-                creditAmount=credit_a,
-                creditUnit=credit_u,
-                runningQuantity=running_total_q,
-                runningAmount=running_total_a,
+                debit_quantity=debit_q,
+                debit_amount=debit_a,
+                debit_unit=debit_u,
+                credit_quantity=credit_q,
+                credit_amount=credit_a,
+                credit_unit=credit_u,
+                running_quantity=running_total_q,
+                running_amount=running_total_a,
             )
         )
 
@@ -156,34 +156,34 @@ def opening_balance(
             Voucher.id == Journal.voucher_id,
             StockKeepingUnit.product_id == product_id,
             Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
-            Voucher.date < start_date,
+            Voucher.date_ < start_date,
         )
         .group_by(StockKeepingUnit.units)
     ).all()
 
-    quantity: Decimal = sum(r.quantity for r in row)  # type: ignore[assignment]
-    amount: Decimal = sum(r.amount for r in row)  # type: ignore[assignment]
+    quantity: Decimal = sum(r.quantity for r in row)
+    amount: Decimal = sum(r.amount for r in row)
 
     return (
         quantity,
         amount,
         [
             schemas.ProductLedgerItem(
-                id=None,
-                date=start_date.strftime("%d-%b-%Y"),
+                id_=None,
+                date_=start_date,
                 name="Opening Balance",
                 url=[],
-                type="Opening Balance",
+                type_="Opening Balance",
                 narration="",
                 posted=True,
-                debitQuantity=q,
-                debitAmount=a,
-                debitUnit=u,
-                creditQuantity=0,
-                creditAmount=0,
-                creditUnit="",
-                runningQuantity=quantity,
-                runningAmount=amount,
+                debit_quantity=q,
+                debit_amount=a,
+                debit_unit=u,
+                credit_quantity=Decimal(0),
+                credit_amount=Decimal(0),
+                credit_unit="",
+                running_quantity=quantity,
+                running_amount=amount,
             )
             for u, q, a in row
         ],
diff --git a/brewman/brewman/routers/reports/profit_loss.py b/brewman/brewman/routers/reports/profit_loss.py
index fa836bb9..9b9567d0 100644
--- a/brewman/brewman/routers/reports/profit_loss.py
+++ b/brewman/brewman/routers/reports/profit_loss.py
@@ -29,10 +29,10 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["profit-&-loss"]),
 ) -> schemas.ProfitLoss:
     return schemas.ProfitLoss(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
-        footer=schemas.ProfitLossItem(group="", total=0, order=0),
+        footer=schemas.ProfitLossItem(group="", total=Decimal(0), order=0),
     )
 
 
@@ -49,8 +49,8 @@ def report_data(
         )
         set_period(start, finish, request.session)
         return schemas.ProfitLoss(
-            startDate=start,
-            finishDate=finish,
+            start_date=start,
+            finish_date=finish,
             body=body,
             footer=footer,
         )
@@ -71,12 +71,12 @@ def build_profit_loss(
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             AccountBase.type_id.in_(profit_type_list),
         )
-        .group_by(AccountBase)
+        .group_by(AccountBase)  # type: ignore
         .order_by(AccountBase.type_id, desc(func.abs(amount_sum)))
     ).all()
 
@@ -143,7 +143,7 @@ def get_accumulated_profit(finish_date: date, db: Session) -> Decimal:
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date <= finish_date,
+            Voucher.date_ <= finish_date,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             AccountBase.type_id.in_(type_list),
         )
diff --git a/brewman/brewman/routers/reports/purchase_entries.py b/brewman/brewman/routers/reports/purchase_entries.py
index ea476770..7f66ee3d 100644
--- a/brewman/brewman/routers/reports/purchase_entries.py
+++ b/brewman/brewman/routers/reports/purchase_entries.py
@@ -27,8 +27,8 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["purchase-entries"]),
 ) -> schemas.PurchaseEntries:
     return schemas.PurchaseEntries(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
     )
 
@@ -45,12 +45,12 @@ def report_data(
     with SessionFuture() as db:
         body = build_report(start_date, finish_date, db)
         set_period(start, finish, request.session)
-        return schemas.PurchaseEntries(startDate=start, finishDate=finish, body=body)
+        return schemas.PurchaseEntries(start_date=start, finish_date=finish, body=body)
 
 
 def build_report(start_date: date, finish_date: date, db: Session) -> list[schemas.PurchaseEntriesItem]:
     body = []
-    query: list[Voucher] = (
+    query: list[Voucher] = list(
         db.execute(
             select(Voucher)
             .join(Voucher.journals)
@@ -67,11 +67,11 @@ def build_report(start_date: date, finish_date: date, db: Session) -> list[schem
                 .contains_eager(StockKeepingUnit.product),
             )
             .where(
-                Voucher.date >= start_date,
-                Voucher.date <= finish_date,
+                Voucher.date_ >= start_date,
+                Voucher.date_ <= finish_date,
                 Voucher.voucher_type == VoucherType.PURCHASE,
             )
-            .order_by(Voucher.date)
+            .order_by(Voucher.date_)
         )
         .unique()
         .scalars()
@@ -82,7 +82,7 @@ def build_report(start_date: date, finish_date: date, db: Session) -> list[schem
         journal = next(j for j in voucher.journals if j.debit == -1)
         for item in voucher.inventories:
             row = schemas.PurchaseEntriesItem(
-                date=voucher.date,
+                date_=voucher.date_,
                 supplier=journal.account.name,
                 url=[
                     "/",
diff --git a/brewman/brewman/routers/reports/purchases.py b/brewman/brewman/routers/reports/purchases.py
index 370c37ea..79e2e69e 100644
--- a/brewman/brewman/routers/reports/purchases.py
+++ b/brewman/brewman/routers/reports/purchases.py
@@ -1,4 +1,5 @@
 from datetime import datetime
+from decimal import Decimal
 
 import brewman.schemas.purchases as schemas
 
@@ -30,10 +31,10 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["purchases"]),
 ) -> schemas.Purchases:
     return schemas.Purchases(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
-        footer=schemas.PurchasesItem(name="Total", quantity=0, rate=0, url=[], amount=0),
+        footer=schemas.PurchasesItem(name="Total", quantity=Decimal(0), rate=Decimal(0), url=[], amount=Decimal(0)),
     )
 
 
@@ -48,8 +49,8 @@ def report_data(
         body, footer = build_report(start, finish, db)
         set_period(start, finish, request.session)
         return schemas.Purchases(
-            startDate=start,
-            finishDate=finish,
+            start_date=start,
+            finish_date=finish,
             body=body,
             footer=footer,
         )
@@ -69,15 +70,15 @@ def build_report(
         .join(Batch.sku)
         .join(StockKeepingUnit.product)
         .where(
-            Voucher.date >= datetime.strptime(start_date, "%d-%b-%Y"),
-            Voucher.date <= datetime.strptime(finish_date, "%d-%b-%Y"),
+            Voucher.date_ >= datetime.strptime(start_date, "%d-%b-%Y"),
+            Voucher.date_ <= datetime.strptime(finish_date, "%d-%b-%Y"),
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
         )
-        .group_by(Product)
+        .group_by(Product)  # type: ignore
         .order_by(desc(amount_sum))
     ).all()
-    total_amount = 0
+    total_amount = Decimal(0)
     for product, quantity, amount in query:
         rate = amount / quantity if quantity != 0 else 0
         total_amount += amount
@@ -91,5 +92,5 @@ def build_report(
         body.append(row)
     return (
         body,
-        schemas.PurchasesItem(name="Total", quantity=0, rate=0, url=[], amount=total_amount),
+        schemas.PurchasesItem(name="Total", quantity=Decimal(0), rate=Decimal(0), url=[], amount=total_amount),
     )
diff --git a/brewman/brewman/routers/reports/raw_material_cost.py b/brewman/brewman/routers/reports/raw_material_cost.py
index a94cbcf5..6cb0347b 100644
--- a/brewman/brewman/routers/reports/raw_material_cost.py
+++ b/brewman/brewman/routers/reports/raw_material_cost.py
@@ -1,6 +1,7 @@
 import uuid
 
 from datetime import date, datetime
+from decimal import Decimal
 
 import brewman.schemas.raw_material_cost as schemas
 
@@ -33,8 +34,8 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["raw-material-cost"]),
 ) -> schemas.RawMaterialCost:
     return schemas.RawMaterialCost(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
         footer=None,
     )
@@ -53,8 +54,8 @@ def report_data(
         )
         set_period(s, f, request.session)
         return schemas.RawMaterialCost(
-            startDate=s,
-            finishDate=f,
+            start_date=s,
+            finish_date=f,
             body=body,
             footer=footer,
         )
@@ -74,9 +75,9 @@ def report_id(
         )
         set_period(s, f, request.session)
         return schemas.RawMaterialCost(
-            id=id_,
-            startDate=s,
-            finishDate=f,
+            id_=id_,
+            start_date=s,
+            finish_date=f,
             body=body,
         )
 
@@ -94,17 +95,17 @@ def build_report(
         .join(Journal.voucher)
         .join(Journal.account)
         .where(
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
             Journal.cost_centre_id != CostCentre.cost_centre_purchase(),
             AccountBase.type_id.in_([2, 3]),
         )
-        .group_by(CostCentre)
+        .group_by(CostCentre)  # type: ignore
         .order_by(sum_sale.desc())
     ).all()
 
-    issues = 0
-    sales = 0
+    issues = Decimal(0)
+    sales = Decimal(0)
     for cost_centre, issue, sale in query:
         issues += issue
         sales += sale
@@ -140,12 +141,12 @@ def build_report_id(
         .join(Inventory.voucher)
         .join(Voucher.journals)
         .where(
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
             Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK]),
             Journal.cost_centre_id == cost_centre_id,
         )
-        .group_by(Product, ProductGroup, Journal.debit, ProductGroup.name)
+        .group_by(Product, ProductGroup, Journal.debit, ProductGroup.name)  # type: ignore
         .order_by(ProductGroup.name, sum_net.desc())
     ).all()
 
diff --git a/brewman/brewman/routers/reports/reconcile.py b/brewman/brewman/routers/reports/reconcile.py
index 4e42e8f6..ecd20717 100644
--- a/brewman/brewman/routers/reports/reconcile.py
+++ b/brewman/brewman/routers/reports/reconcile.py
@@ -1,6 +1,7 @@
 import uuid
 
 from datetime import date, datetime
+from decimal import Decimal
 
 import brewman.schemas.reconcile as schemas
 
@@ -28,8 +29,8 @@ def show_blank(
     user: UserToken = Security(get_user, scopes=["reconcile"]),
 ) -> schemas.Reconcile:
     return schemas.Reconcile(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         account=None,
         body=[],
     )
@@ -50,9 +51,9 @@ def show_data(
         body = build_report(account.id, start_date, finish_date, db)
         set_period(start_date, finish_date, request.session)
         return schemas.Reconcile(
-            startDate=start_date,
-            finishDate=finish_date,
-            account=schemas.AccountLink(id=account.id, name=account.name),
+            start_date=start_date,
+            finish_date=finish_date,
+            account=schemas.AccountLink(id_=account.id, name=account.name),
             body=body,
         )
 
@@ -81,34 +82,36 @@ def build_report(
     ).all()
 
     for voucher in query:
-        debit = 0
-        credit = 0
-        journal_debit = 0
+        debit = Decimal(0)
+        credit = Decimal(0)
+        journal_debit = Decimal(0)
         name = ""
         for journal in voucher.journals:
             if journal.account_id == account_id:
                 journal_debit = journal.debit
                 if journal.debit == 1:
                     debit = journal.amount
-                    credit = 0
+                    credit = Decimal(0)
                 else:
                     credit = journal.amount
-                    debit = 0
+                    debit = Decimal(0)
         for journal in voucher.journals:
             if journal.debit != journal_debit:
                 name += "{0} / ".format(journal.account.name)
         name = name[:-3]
         body.append(
             schemas.ReconcileItem(
-                id=voucher.id,
-                date=voucher.date,
+                id_=voucher.id,
+                date_=voucher.date,
                 name=name,
-                type=voucher.voucher_type.name.replace("_", " ").title(),
+                type_=voucher.voucher_type.name.replace("_", " ").title(),
                 narration=voucher.narration,
+                url=[],
+                posted=False,
                 debit=debit,
                 credit=credit,
-                isReconciled=voucher.is_reconciled,
-                reconcileDate=voucher.reconcile_date,
+                is_reconciled=voucher.is_reconciled,
+                reconcile_date=voucher.reconcile_date,
             )
         )
     return body
@@ -125,24 +128,26 @@ def opening_balance(account_id: uuid.UUID, start_date: date, db: Session) -> sch
             Journal.account_id == account_id,
         )
     ).scalar()
-    opening = 0 if opening is None else opening
+    opening = Decimal(0) if opening is None else opening
     if opening < 0:
         credit = opening * -1
-        debit = 0
+        debit = Decimal(0)
     else:
         debit = opening
-        credit = 0
+        credit = Decimal(0)
     return schemas.ReconcileItem(
-        date=start_date,
-        id=None,
+        date_=start_date,
+        id_=None,
         name="Opening Balance",
-        type="Opening Balance",
+        type_="Opening Balance",
         narration="",
         debit=debit,
         credit=credit,
-        running=opening,
-        isReconciled=True,
-        reconcileDate=start_date,
+        # running=opening,
+        url=[],
+        posted=False,
+        is_reconciled=True,
+        reconcile_date=start_date,
     )
 
 
@@ -170,8 +175,8 @@ def save(
             db.commit()
         body = build_report(account.id, start_date, finish_date, db)
         return schemas.Reconcile(
-            startDate=start_date,
-            finishDate=finish_date,
-            account=schemas.AccountLink(id=account.id, name=account.name),
+            start_date=start_date,
+            finish_date=finish_date,
+            account=schemas.AccountLink(id_=account.id, name=account.name),
             body=body,
         )
diff --git a/brewman/brewman/routers/reports/stock_movement.py b/brewman/brewman/routers/reports/stock_movement.py
index e35de5a3..e6682236 100644
--- a/brewman/brewman/routers/reports/stock_movement.py
+++ b/brewman/brewman/routers/reports/stock_movement.py
@@ -32,8 +32,8 @@ def report_blank(
     user: UserToken = Security(get_user, scopes=["stock-movement"]),
 ) -> schemas.StockMovement:
     return schemas.StockMovement(
-        startDate=get_start_date(request.session),
-        finishDate=get_finish_date(request.session),
+        start_date=get_start_date(request.session),
+        finish_date=get_finish_date(request.session),
         body=[],
     )
 
@@ -48,7 +48,7 @@ def report_data(
     with SessionFuture() as db:
         body = build_stock_movement(datetime.strptime(start, "%d-%b-%Y"), datetime.strptime(finish, "%d-%b-%Y"), db)
         set_period(start, finish, request.session)
-        return schemas.StockMovement(startDate=start, finishDate=finish, body=body)
+        return schemas.StockMovement(start_date=start, finish_date=finish, body=body)
 
 
 def build_stock_movement(start_date: date, finish_date: date, db: Session) -> list[schemas.StockMovementItem]:
@@ -63,18 +63,18 @@ def build_stock_movement(start_date: date, finish_date: date, db: Session) -> li
         .join(Inventory.voucher)
         .join(Voucher.journals)
         .options(contains_eager(StockKeepingUnit.product).contains_eager(Product.product_group))
-        .where(Voucher.date < start_date, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
-        .group_by(StockKeepingUnit, Product, ProductGroup)
+        .where(Voucher.date_ < start_date, Journal.cost_centre_id == CostCentre.cost_centre_purchase())
+        .group_by(StockKeepingUnit, Product, ProductGroup)  # type: ignore
     ).all()
     for sku, quantity in openings:
         dict_[sku.id] = schemas.StockMovementItem(
-            id=sku.id,
+            id_=sku.id,
             name=f"{sku.product.name} ({sku.units})",
             group=sku.product.product_group.name,
             opening=Decimal(round(quantity, 2)),
-            purchase=0,
-            issue=0,
-            closing=0,
+            purchase=Decimal(0),
+            issue=Decimal(0),
+            closing=Decimal(0),
             url=["/", "product-ledger", str(sku.product.id)],
         )
     purchases = db.execute(
@@ -87,25 +87,25 @@ def build_stock_movement(start_date: date, finish_date: date, db: Session) -> li
         .join(Voucher.journals)
         .options(contains_eager(StockKeepingUnit.product).contains_eager(Product.product_group))
         .where(
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
             Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
         )
-        .group_by(StockKeepingUnit, Product, ProductGroup)
+        .group_by(StockKeepingUnit, Product, ProductGroup)  # type: ignore
     ).all()
     for sku, quantity in purchases:
         if sku.id in dict_:
             dict_[sku.id].purchase = Decimal(round(quantity, 2))
         else:
             dict_[sku.id] = schemas.StockMovementItem(
-                id=sku.id,
+                id_=sku.id,
                 name=f"{sku.product.name} ({sku.units})",
                 group=sku.product.product_group.name,
-                opening=0,
+                opening=Decimal(0),
                 purchase=Decimal(round(quantity, 2)),
-                issue=0,
-                closing=0,
+                issue=Decimal(0),
+                closing=Decimal(0),
                 url=["/", "product-ledger", str(sku.product.id)],
             )
     issues = db.execute(
@@ -118,25 +118,25 @@ def build_stock_movement(start_date: date, finish_date: date, db: Session) -> li
         .join(Voucher.journals)
         .options(contains_eager(StockKeepingUnit.product).contains_eager(Product.product_group))
         .where(
-            Voucher.date >= start_date,
-            Voucher.date <= finish_date,
+            Voucher.date_ >= start_date,
+            Voucher.date_ <= finish_date,
             Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK]),
             Journal.cost_centre_id == CostCentre.cost_centre_purchase(),
         )
-        .group_by(StockKeepingUnit, Product, ProductGroup)
+        .group_by(StockKeepingUnit, Product, ProductGroup)  # type: ignore
     ).all()
     for sku, quantity in issues:
         if sku.id in dict_:
             dict_[sku.id].issue = Decimal(round(quantity * -1, 2))
         else:
             dict_[sku.id] = schemas.StockMovementItem(
-                id=sku.id,
+                id_=sku.id,
                 name=f"{sku.product.name} ({sku.units})",
                 group=sku.product.product_group.name,
-                opening=0,
-                purchase=0,
+                opening=Decimal(0),
+                purchase=Decimal(0),
                 issue=Decimal(round(quantity * -1, 2)),
-                closing=0,
+                closing=Decimal(0),
                 url=["/", "product-ledger", str(sku.product.id)],
             )
 
diff --git a/brewman/brewman/routers/reports/trial_balance.py b/brewman/brewman/routers/reports/trial_balance.py
index 9c1a3fbc..8f3f4a67 100644
--- a/brewman/brewman/routers/reports/trial_balance.py
+++ b/brewman/brewman/routers/reports/trial_balance.py
@@ -26,7 +26,7 @@ def report_blank(
     request: Request,
     user: UserToken = Security(get_user, scopes=["trial-balance"]),
 ) -> schemas.TrialBalance:
-    return schemas.TrialBalance(date=get_finish_date(request.session), body=[])
+    return schemas.TrialBalance(date_=get_finish_date(request.session), body=[])
 
 
 @router.get("/{date_}", response_model=schemas.TrialBalance)
@@ -38,7 +38,7 @@ def report_data(
     set_period(get_start_date(request.session), date_, request.session)
     with SessionFuture() as db:
         return schemas.TrialBalance(
-            date=date_,
+            date_=date_,
             body=build_report(datetime.strptime(date_, "%d-%b-%Y"), db),
         )
 
@@ -51,10 +51,10 @@ def build_report(date_: date, db: Session) -> list[schemas.TrialBalanceItem]:
         .join(Journal.account)
         .join(AccountBase.type_)
         .where(
-            Voucher.date <= date_,
+            Voucher.date_ <= date_,
             not_(Voucher.voucher_type.in_([VoucherType.ISSUE, VoucherType.CLOSING_STOCK])),
         )
-        .group_by(AccountBase, AccountType)
+        .group_by(AccountBase, AccountType)  # type: ignore
         .order_by(AccountBase.type_id, func.abs(amount_sum).desc())
         .options(
             joinedload(AccountBase.type_, innerjoin=True),
@@ -65,7 +65,7 @@ def build_report(date_: date, db: Session) -> list[schemas.TrialBalanceItem]:
     body = []
     for account, amount in query:
         if amount > 0:
-            body.append(schemas.TrialBalanceItem(type=account.type_.name, name=account.name, debit=amount))
+            body.append(schemas.TrialBalanceItem(type_=account.type_.name, name=account.name, debit=amount))
         if amount < 0:
-            body.append(schemas.TrialBalanceItem(type=account.type_.name, name=account.name, credit=amount))
+            body.append(schemas.TrialBalanceItem(type_=account.type_.name, name=account.name, credit=amount))
     return body
diff --git a/brewman/brewman/routers/role.py b/brewman/brewman/routers/role.py
index 09af84e9..3684bf2b 100644
--- a/brewman/brewman/routers/role.py
+++ b/brewman/brewman/routers/role.py
@@ -1,5 +1,7 @@
 import uuid
 
+from typing import Sequence
+
 import brewman.schemas.role as schemas
 
 from fastapi import APIRouter, HTTPException, Security, status
@@ -104,10 +106,10 @@ async def show_list(
     user: UserToken = Security(get_user, scopes=["users"]),
 ) -> list[schemas.RoleList]:
     with SessionFuture() as db:
-        roles: list[Role] = db.execute(select(Role).order_by(Role.name)).scalars().all()
+        roles: Sequence[Role] = db.execute(select(Role).order_by(Role.name)).scalars().all()
         return [
             schemas.RoleList(
-                id=item.id,
+                id_=item.id,
                 name=item.name,
                 permissions=[p.name for p in sorted(item.permissions, key=lambda p: p.name)],
             )
@@ -127,11 +129,11 @@ def show_id(
 
 def role_info(item: Role, db: Session) -> schemas.Role:
     return schemas.Role(
-        id=item.id,
+        id_=item.id,
         name=item.name,
         permissions=[
             schemas.PermissionItem(
-                id=p.id,
+                id_=p.id,
                 name=p.name,
                 enabled=True if p in item.permissions else False,
             )
@@ -144,7 +146,7 @@ def role_blank(db: Session) -> schemas.RoleBlank:
     return schemas.RoleBlank(
         name="",
         permissions=[
-            schemas.PermissionItem(id=p.id, name=p.name, enabled=False)
+            schemas.PermissionItem(id_=p.id, name=p.name, enabled=False)
             for p in db.execute(select(Permission).order_by(Permission.name)).scalars().all()
         ],
     )
diff --git a/brewman/brewman/routers/user.py b/brewman/brewman/routers/user.py
index b49d9ce4..42ace809 100644
--- a/brewman/brewman/routers/user.py
+++ b/brewman/brewman/routers/user.py
@@ -1,5 +1,7 @@
 import uuid
 
+from typing import Sequence
+
 import brewman.schemas.user as schemas
 
 from fastapi import APIRouter, Depends, HTTPException, Security, status
@@ -138,15 +140,15 @@ async def show_list(
     user: UserToken = Security(get_user, scopes=["users"]),
 ) -> list[schemas.UserList]:
     with SessionFuture() as db:
-        users: list[User] = db.execute(select(User).order_by(User.name)).scalars().all()
+        users: Sequence[User] = db.execute(select(User).order_by(User.name)).scalars().all()
         return [
             schemas.UserList(
-                id=item.id,
+                id_=item.id,
                 name=item.name,
-                lockedOut=item.locked_out,
+                locked_out=item.locked_out,
                 roles=[p.name for p in sorted(item.roles, key=lambda p: p.name)],
-                lastDevice=item.login_history[0].client.name if len(item.login_history) else "None",
-                lastDate=item.login_history[0].date if len(item.login_history) else None,
+                last_device=item.login_history[0].client.name if len(item.login_history) else "None",
+                last_date=item.login_history[0].date if len(item.login_history) else None,
             )
             for item in users
         ]
@@ -156,7 +158,7 @@ async def show_list(
 async def show_active(user: UserToken = Depends(get_user)) -> list[schemas.UserBlank]:
     with SessionFuture() as db:
         return [
-            schemas.UserBlank(name=name)
+            schemas.UserBlank(name=name, password="", locked_out=False, roles=[])
             for name in db.execute(select(User.name).where(User.locked_out == False).order_by(User.name))  # noqa: E712
             .scalars()
             .all()
@@ -175,13 +177,13 @@ def show_id(
 
 def user_info(item: User, db: Session, user: UserToken) -> schemas.User:
     return schemas.User(
-        id=item.id,
+        id_=item.id,
         name=item.name,
         password="",
-        lockedOut=item.locked_out,
+        locked_out=item.locked_out,
         roles=[
             schemas.RoleItem(
-                id=r.id,
+                id_=r.id,
                 name=r.name,
                 enabled=True if r in item.roles else False,
             )
@@ -196,9 +198,9 @@ def user_blank(db: Session) -> schemas.UserBlank:
     return schemas.UserBlank(
         name="",
         password="",
-        lockedOut=False,
+        locked_out=False,
         roles=[
-            schemas.RoleItem(id=r.id, name=r.name, enabled=False)
+            schemas.RoleItem(id_=r.id, name=r.name, enabled=False)
             for r in db.execute(select(Role).order_by(Role.name)).scalars().all()
         ],
     )
diff --git a/brewman/brewman/routers/voucher.py b/brewman/brewman/routers/voucher.py
index 30be00d4..93f0cbf7 100644
--- a/brewman/brewman/routers/voucher.py
+++ b/brewman/brewman/routers/voucher.py
@@ -2,6 +2,7 @@ import uuid
 
 from datetime import date
 from decimal import Decimal
+from typing import Sequence
 
 import brewman.schemas.voucher as output
 
@@ -40,7 +41,7 @@ def post_voucher(
     try:
         with SessionFuture() as db:
             voucher: Voucher = db.execute(select(Voucher).where(Voucher.id == id_)).scalar_one()
-            account_types = (
+            account_types: Sequence[int] = (
                 db.execute(
                     select(distinct(AccountBase.type_id)).where(
                         AccountBase.id.in_([vj.account_id for vj in voucher.journals])
@@ -49,7 +50,7 @@ def post_voucher(
                 .scalars()
                 .all()
             )
-            allowed, message = get_lock_info([voucher.date], voucher.voucher_type, account_types, db)
+            allowed, message = get_lock_info([voucher.date_], voucher.voucher_type, account_types, db)
             if not allowed:
                 raise HTTPException(
                     status_code=status.HTTP_423_LOCKED,
@@ -96,7 +97,7 @@ def delete_voucher(
         voucher: Voucher = db.execute(select(Voucher).where(Voucher.id == id_)).scalar_one()
         images = db.execute(select(DbImage).where(DbImage.resource_id == voucher.id)).scalars().all()
         check_delete_permissions(voucher, user)
-        account_types = (
+        account_types: Sequence[int] = (
             db.execute(
                 select(distinct(AccountBase.type_id)).where(
                     AccountBase.id.in_([vj.account_id for vj in voucher.journals])
@@ -105,7 +106,7 @@ def delete_voucher(
             .scalars()
             .all()
         )
-        allowed, message = get_lock_info([voucher.date], voucher.voucher_type, account_types, db)
+        allowed, message = get_lock_info([voucher.date_], voucher.voucher_type, account_types, db)
         if not allowed:
             raise HTTPException(
                 status_code=status.HTTP_423_LOCKED,
@@ -168,8 +169,8 @@ def delete_voucher(
 
         return blank_voucher(
             info=BlankVoucherInfo(
-                date=json_voucher.date_,
-                type=VoucherType[json_voucher.type_],
+                date_=json_voucher.date_,
+                type_=VoucherType[json_voucher.type_],
                 source=json_voucher.source,
                 destination=json_voucher.destination,
             ),
@@ -179,62 +180,62 @@ def delete_voucher(
 
 def voucher_info(voucher: Voucher, db: Session) -> output.Voucher:
     json_voucher = output.Voucher(
-        id=voucher.id,
-        date=voucher.date,
-        isStarred=voucher.is_starred,
-        type=voucher.voucher_type.name,
+        id_=voucher.id,
+        date_=voucher.date_,
+        is_starred=voucher.is_starred,
+        type_=voucher.voucher_type.name,
         posted=voucher.posted,
         narration=voucher.narration,
         journals=[],
         inventories=[],
-        employeeBenefits=[],
+        employee_benefits=[],
         incentives=[],
-        incentive=0,
+        incentive=Decimal(0),
         files=[],
-        creationDate=voucher.creation_date,
-        lastEditDate=voucher.last_edit_date,
-        user=output.UserLink(id=voucher.user.id, name=voucher.user.name),
+        creation_date=voucher.creation_date,
+        last_edit_date=voucher.last_edit_date,
+        user=output.UserLink(id_=voucher.user.id, name=voucher.user.name),
         poster=voucher.poster.name if voucher.posted else "",
     )
     if voucher.reconcile_date is not None:
         json_voucher.reconcile_date = voucher.reconcile_date
     if voucher.voucher_type == VoucherType.PURCHASE:
         item = [j for j in voucher.journals if j.debit == -1][0]
-        json_voucher.vendor = output.AccountLink(id=item.account.id, name=item.account.name)
+        json_voucher.vendor = output.AccountLink(id_=item.account.id, name=item.account.name)
     elif voucher.voucher_type == VoucherType.ISSUE:
         item = [j for j in voucher.journals if j.debit == -1][0]
-        json_voucher.source = output.CostCentreLink(id=item.cost_centre_id, name="")
+        json_voucher.source = output.CostCentreLink(id_=item.cost_centre_id, name="")
         item = [j for j in voucher.journals if j.debit == 1][0]
-        json_voucher.destination = output.CostCentreLink(id=item.cost_centre_id, name="")
+        json_voucher.destination = output.CostCentreLink(id_=item.cost_centre_id, name="")
     if voucher.voucher_type == VoucherType.PURCHASE_RETURN:
         item = [j for j in voucher.journals if j.debit == 1][0]
-        json_voucher.vendor = output.AccountLink(id=item.account.id, name=item.account.name)
+        json_voucher.vendor = output.AccountLink(id_=item.account.id, name=item.account.name)
     else:
         for journal in voucher.journals:
             json_voucher.journals.append(
                 output.Journal(
-                    id=journal.id,
+                    id_=journal.id,
                     debit=journal.debit,
                     amount=journal.amount,
-                    account=output.AccountLink(id=journal.account.id, name=journal.account.name),
-                    costCentre=output.CostCentreLink(id=journal.cost_centre_id),
+                    account=output.AccountLink(id_=journal.account.id, name=journal.account.name),
+                    cost_centre=output.CostCentreLink(id_=journal.cost_centre_id),
                 )
             )
     for benefit in voucher.employee_benefits:
         json_voucher.employee_benefits.append(
             output.EmployeeBenefit(
-                grossSalary=benefit.gross_salary,
-                daysWorked=benefit.days_worked,
-                esiEmployee=benefit.esi_ee,
-                pfEmployee=benefit.pf_ee,
-                esiEmployer=benefit.esi_er,
-                pfEmployer=benefit.pf_er,
+                gross_salary=benefit.gross_salary,
+                days_worked=benefit.days_worked,
+                esi_employee=benefit.esi_ee,
+                pf_employee=benefit.pf_ee,
+                esi_employer=benefit.esi_er,
+                pf_employer=benefit.pf_er,
                 employee=output.EmployeeLink(
-                    id=benefit.journal.account.id,
+                    id_=benefit.journal.account.id,
                     name=benefit.journal.account.name,
                     designation=benefit.journal.account.designation,
-                    costCentre=output.CostCentreLink(
-                        id=benefit.journal.account.cost_centre.id,
+                    cost_centre=output.CostCentreLink(
+                        id_=benefit.journal.account.cost_centre.id,
                         name=benefit.journal.account.cost_centre.name,
                     ),
                 ),
@@ -246,11 +247,11 @@ def voucher_info(voucher: Voucher, db: Session) -> output.Voucher:
         ).scalar_one()
         json_voucher.incentives.append(
             output.Incentive(
-                employeeId=incentive.journal.account_id,
+                employee_id=incentive.journal.account_id,
                 name=incentive.journal.account.name,
                 designation=employee.designation,
                 department=incentive.journal.account.cost_centre.name,
-                daysWorked=incentive.days_worked,
+                days_worked=incentive.days_worked,
                 points=incentive.points,
             )
         )
@@ -264,21 +265,21 @@ def voucher_info(voucher: Voucher, db: Session) -> output.Voucher:
         )
         json_voucher.inventories.append(
             output.Inventory(
-                id=inventory.id,
+                id_=inventory.id,
                 quantity=inventory.quantity,
                 rate=inventory.rate,
                 tax=inventory.tax,
                 discount=inventory.discount,
                 amount=inventory.amount,
                 batch=output.Batch(
-                    id=inventory.batch.id,
+                    id_=inventory.batch.id,
                     name=text,
-                    quantityRemaining=inventory.batch.quantity_remaining,
+                    quantity_remaining=inventory.batch.quantity_remaining,
                     tax=inventory.batch.tax,
                     discount=inventory.batch.discount,
                     rate=inventory.batch.rate,
                     sku=output.ProductLink(
-                        id=inventory.batch.sku.id,
+                        id_=inventory.batch.sku.id,
                         name=f"{inventory.batch.sku.product.name} ({inventory.batch.sku.units})"
                         if inventory.batch.sku.units
                         else inventory.batch.sku.product.name,
@@ -290,7 +291,7 @@ def voucher_info(voucher: Voucher, db: Session) -> output.Voucher:
     for image in images:
         json_voucher.files.append(
             output.ImageUpload(
-                id=image.id,
+                id_=image.id,
                 resized=f"/db-image/{image.id}/resized",
                 thumbnail=f"/db-image/{image.id}/thumbnail",
             )
@@ -300,15 +301,15 @@ def voucher_info(voucher: Voucher, db: Session) -> output.Voucher:
 
 def blank_voucher(info: BlankVoucherInfo, db: Session) -> output.Voucher:
     json_voucher = output.Voucher(
-        type=info.type_.name,
-        date=info.date_,
-        isStarred=False,
+        type_=info.type_.name,
+        date_=info.date_,
+        is_starred=False,
         posted=False,
         narration="",
         journals=[],
         inventories=[],
         incentives=[],
-        employeeBenefits=[],
+        employee_benefits=[],
         files=[],
     )
     if info.type_ == VoucherType.JOURNAL:
@@ -318,32 +319,32 @@ def blank_voucher(info: BlankVoucherInfo, db: Session) -> output.Voucher:
         if info.account is not None:
             account = db.execute(select(AccountBase).where(AccountBase.id == info.account.id_)).scalars().one_or_none()
         if account is not None:
-            j_account = output.AccountLink(id=account.id, name=account.name)
+            j_account = output.AccountLink(id_=account.id, name=account.name)
         else:
             j_account = AccountBase.cash_in_hand()
-        json_voucher.journals.append(output.Journal(account=j_account, amount=0, debit=-1))
+        json_voucher.journals.append(output.Journal(account=j_account, amount=Decimal(0), debit=-1))
     elif info.type_ == VoucherType.RECEIPT:
         account = None
         if info.account is not None:
             account = db.execute(select(AccountBase).where(AccountBase.id == info.account.id_)).scalars().one_or_none()
         if account is not None:
-            j_account = output.AccountLink(id=account.id, name=account.name)
+            j_account = output.AccountLink(id_=account.id, name=account.name)
         else:
             j_account = AccountBase.cash_in_hand()
-        json_voucher.journals.append(output.Journal(account=j_account, amount=0, debit=1))
+        json_voucher.journals.append(output.Journal(account=j_account, amount=Decimal(0), debit=1))
     elif info.type_ == VoucherType.PURCHASE:
         json_voucher.vendor = AccountBase.local_purchase()
     elif info.type_ == VoucherType.PURCHASE_RETURN:
         json_voucher.vendor = AccountBase.local_purchase()
     elif info.type_ == VoucherType.ISSUE:
         if info.source is not None:
-            json_voucher.source = output.CostCentreLink(id=info.source.id_)
+            json_voucher.source = output.CostCentreLink(id_=info.source.id_)
         else:
-            json_voucher.source = output.CostCentreLink(id=CostCentre.cost_centre_purchase())
+            json_voucher.source = output.CostCentreLink(id_=CostCentre.cost_centre_purchase())
         if info.destination is not None:
-            json_voucher.destination = output.CostCentreLink(id=info.destination.id_)
+            json_voucher.destination = output.CostCentreLink(id_=info.destination.id_)
         else:
-            json_voucher.destination = output.CostCentreLink(id=CostCentre.cost_centre_kitchen())
+            json_voucher.destination = output.CostCentreLink(id_=CostCentre.cost_centre_kitchen())
     elif info.type_ == VoucherType.EMPLOYEE_BENEFIT:
         pass
     elif info.type_ == VoucherType.INCENTIVE:
@@ -373,26 +374,26 @@ def incentive_employees(date_: date, db: Session) -> tuple[list[output.Incentive
         .all()
     )
     for employee in employees:
-        att: list[Attendance] = (
+        att: Sequence[Attendance] = (
             db.execute(
                 select(Attendance).where(
                     Attendance.employee_id == employee.id,
-                    Attendance.date >= start_date,
-                    Attendance.date <= finish_date,
+                    Attendance.date_ >= start_date,
+                    Attendance.date_ <= finish_date,
                     Attendance.is_valid == True,  # noqa: E712
                 )
             )
             .scalars()
             .all()
         )
-        days_worked = sum(AttendanceType.by_id(x.attendance_type).value for x in att)
+        days_worked = sum(AttendanceType.by_id(x.attendance_type).value for x in att) or Decimal(0)
         details.append(
             output.Incentive(
-                employeeId=employee.id,
+                employee_id=employee.id,
                 name=employee.name,
                 designation=employee.designation,
                 department=employee.cost_centre.name,
-                daysWorked=days_worked,
+                days_worked=days_worked,
                 points=employee.points,
             )
         )
@@ -404,9 +405,9 @@ def incentive_employees(date_: date, db: Session) -> tuple[list[output.Incentive
             Journal.account_id == Account.incentive_id(),
             Voucher.voucher_type != VoucherType.ISSUE,
             or_(
-                Voucher.date <= finish_date,
+                Voucher.date_ <= finish_date,
                 and_(
-                    Voucher.date == finish_date,
+                    Voucher.date_ == finish_date,
                     Voucher.voucher_type != VoucherType.INCENTIVE,
                 ),
             ),
diff --git a/brewman/brewman/routers/voucher_types.py b/brewman/brewman/routers/voucher_types.py
index 7a92cf9f..387e32bd 100644
--- a/brewman/brewman/routers/voucher_types.py
+++ b/brewman/brewman/routers/voucher_types.py
@@ -12,4 +12,4 @@ router = APIRouter()
 
 @router.get("", response_model=list[schemas.AccountType])
 def account_type_list(user: UserToken = Depends(get_user)) -> list[schemas.AccountType]:
-    return [schemas.AccountType(id=item.value, name=item.name) for item in list(VoucherType)]
+    return [schemas.AccountType(id_=item.value, name=item.name) for item in list(VoucherType)]
diff --git a/brewman/brewman/schemas/account.py b/brewman/brewman/schemas/account.py
index 1253f2d6..f96ce315 100644
--- a/brewman/brewman/schemas/account.py
+++ b/brewman/brewman/schemas/account.py
@@ -1,6 +1,6 @@
 import uuid
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from . import to_camel
 from .cost_centre import CostCentreLink
@@ -8,10 +8,8 @@ from .cost_centre import CostCentreLink
 
 class AccountLink(BaseModel):
     id_: uuid.UUID = Field(...)
-    name: str | None
-
-    class Config:
-        fields = {"id_": "id"}
+    name: str | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
 
 class AccountBase(BaseModel):
@@ -19,18 +17,13 @@ class AccountBase(BaseModel):
     is_starred: bool
     is_active: bool
     cost_centre: CostCentreLink
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class AccountIn(AccountBase):
     type_: int
     is_reconcilable: bool
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
 
 class Account(AccountIn):
@@ -42,7 +35,4 @@ class Account(AccountIn):
 class AccountBlank(AccountIn):
     name: str
     is_fixture: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/account_type.py b/brewman/brewman/schemas/account_type.py
index d9e88079..9aca9a09 100644
--- a/brewman/brewman/schemas/account_type.py
+++ b/brewman/brewman/schemas/account_type.py
@@ -1,9 +1,8 @@
-from pydantic import BaseModel
+from brewman.schemas import to_camel
+from pydantic import BaseModel, ConfigDict
 
 
 class AccountType(BaseModel):
     id_: int
     name: str
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, str_strip_whitespace=True, populate_by_name=True)
diff --git a/brewman/brewman/schemas/attendance.py b/brewman/brewman/schemas/attendance.py
index b14c43ea..a6e26622 100644
--- a/brewman/brewman/schemas/attendance.py
+++ b/brewman/brewman/schemas/attendance.py
@@ -4,7 +4,13 @@ from datetime import date, datetime
 
 from brewman.schemas import to_camel
 from brewman.schemas.attendance_type import AttendanceType
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 
 class AttendanceItem(BaseModel):
@@ -16,23 +22,22 @@ class AttendanceItem(BaseModel):
     attendance_type: AttendanceType
     prints: str
     hours_worked: str
-    full_day: bool | None
-
-    class Config:
-        alias_generator = to_camel
+    full_day: bool | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
 
 class Attendance(BaseModel):
-    date_: date | None
+    date_: date | None = None
     body: list[AttendanceItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/attendance_type.py b/brewman/brewman/schemas/attendance_type.py
index d4c80d24..f5eed822 100644
--- a/brewman/brewman/schemas/attendance_type.py
+++ b/brewman/brewman/schemas/attendance_type.py
@@ -1,13 +1,11 @@
 from decimal import Decimal
 
 from brewman.schemas import to_camel
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class AttendanceType(BaseModel):
     id_: int
-    name: str | None
-    value: Decimal | None
-
-    class Config:
-        alias_generator = to_camel
+    name: str | None = None
+    value: Decimal | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/balance.py b/brewman/brewman/schemas/balance.py
index 302ec60c..8954a23a 100644
--- a/brewman/brewman/schemas/balance.py
+++ b/brewman/brewman/schemas/balance.py
@@ -3,6 +3,7 @@ from decimal import Decimal
 from pydantic import BaseModel
 
 
+# TODO: Add config
 class AccountBalance(BaseModel):
-    date: Decimal
+    date_: Decimal
     total: Decimal
diff --git a/brewman/brewman/schemas/balance_sheet.py b/brewman/brewman/schemas/balance_sheet.py
index abdc62d2..ad5e6230 100644
--- a/brewman/brewman/schemas/balance_sheet.py
+++ b/brewman/brewman/schemas/balance_sheet.py
@@ -1,36 +1,39 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
 
 
 class BalanceSheetItem(BaseModel):
-    name: str | None
-    group: str | None
-    amount: Decimal | None
-    sub_amount: Decimal | None
+    name: str | None = None
+    group: str | None = None
+    amount: Decimal | None = None
+    sub_amount: Decimal | None = None
     order: int
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class BalanceSheet(BaseModel):
-    date_: date
+    date_: date | str
     body: list[BalanceSheetItem]
-    footer: BalanceSheetItem | None
+    footer: BalanceSheetItem | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/batch.py b/brewman/brewman/schemas/batch.py
index 79f61f9d..435dbf4e 100644
--- a/brewman/brewman/schemas/batch.py
+++ b/brewman/brewman/schemas/batch.py
@@ -4,17 +4,15 @@ from decimal import Decimal
 
 from brewman.schemas import to_camel
 from brewman.schemas.product import ProductLink
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class Batch(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     name: str
     sku: ProductLink
     quantity_remaining: Decimal
     rate: Decimal
     tax: Decimal
     discount: Decimal
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/batch_integrity.py b/brewman/brewman/schemas/batch_integrity.py
index 5d0da60a..939188bd 100644
--- a/brewman/brewman/schemas/batch_integrity.py
+++ b/brewman/brewman/schemas/batch_integrity.py
@@ -3,7 +3,12 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -15,18 +20,19 @@ class BatchIntegrityItem(BaseModel):
     url: list[str]
     quantity: Decimal
     price: Decimal
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
 
 class BatchIntegrity(BaseModel):
     id_: uuid.UUID
@@ -36,14 +42,15 @@ class BatchIntegrity(BaseModel):
     showing: Decimal
     actual: Decimal
     details: list[BatchIntegrityItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
-    def parse_start_date(cls, value: date | str) -> date:
+    @field_validator("date_", mode="before")
+    @classmethod
+    def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/blank_voucher_info.py b/brewman/brewman/schemas/blank_voucher_info.py
index 634d3e83..73ebf695 100644
--- a/brewman/brewman/schemas/blank_voucher_info.py
+++ b/brewman/brewman/schemas/blank_voucher_info.py
@@ -1,6 +1,12 @@
 from datetime import date, datetime
 
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from ..models.voucher_type import VoucherType
 from . import to_camel
@@ -11,16 +17,18 @@ from .cost_centre import CostCentreLink
 class BlankVoucherInfo(BaseModel):
     type_: VoucherType
     date_: date
-    account: AccountLink | None
-    source: CostCentreLink | None
-    destination: CostCentreLink | None
+    account: AccountLink | None = None
+    source: CostCentreLink | None = None
+    destination: CostCentreLink | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/cash_flow.py b/brewman/brewman/schemas/cash_flow.py
index db300e7c..f7afd091 100644
--- a/brewman/brewman/schemas/cash_flow.py
+++ b/brewman/brewman/schemas/cash_flow.py
@@ -1,7 +1,12 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -9,12 +14,9 @@ from . import to_camel
 
 class CashFlowItem(BaseModel):
     name: str
-    url: list[str] | None
+    url: list[str] | None = None
     amount: Decimal
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class CashFlowBody(BaseModel):
@@ -22,31 +24,34 @@ class CashFlowBody(BaseModel):
     investing: list[CashFlowItem]
     financing: list[CashFlowItem]
     details: list[CashFlowItem]
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class CashFlow(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: CashFlowBody
     footer: list[CashFlowItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/client.py b/brewman/brewman/schemas/client.py
index d1af972c..f09b7d27 100644
--- a/brewman/brewman/schemas/client.py
+++ b/brewman/brewman/schemas/client.py
@@ -2,6 +2,12 @@ import uuid
 
 from datetime import datetime
 
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -10,24 +16,39 @@ from . import to_camel
 class ClientIn(BaseModel):
     name: str
     enabled: bool
-    otp: int | None
+    otp: int | None = None
 
 
 class Client(ClientIn):
     id_: uuid.UUID
     code: int
     creation_date: datetime
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    @field_validator("creation_date", mode="before")
+    @classmethod
+    def parse_creation_date(cls, value: datetime | str) -> datetime | None:
+        if isinstance(value, datetime):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y %H:%M")
+
+    @field_serializer("creation_date")
+    def serialize_creation_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
 
 
 class ClientList(Client):
     last_user: str
-    last_date: datetime | None
+    last_date: datetime | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {datetime: lambda v: v.strftime("%d-%b-%Y %H:%M")}
+    @field_validator("last_date", mode="before")
+    @classmethod
+    def parse_last_date(cls, value: datetime | str) -> datetime | None:
+        if isinstance(value, datetime):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y %H:%M")
+
+    @field_serializer("last_date")
+    def serialize_last_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
diff --git a/brewman/brewman/schemas/closing_stock.py b/brewman/brewman/schemas/closing_stock.py
index 11a2112b..bb5c30bd 100644
--- a/brewman/brewman/schemas/closing_stock.py
+++ b/brewman/brewman/schemas/closing_stock.py
@@ -3,7 +3,12 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -13,41 +18,40 @@ from .user_link import UserLink
 
 
 class ClosingStockItem(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     product: ProductLink
     group: str
     quantity: Decimal
     amount: Decimal
     physical: Decimal
-    cost_centre: CostCentreLink | None
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    cost_centre: CostCentreLink | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class ClosingStock(BaseModel):
     date_: date
     cost_centre: CostCentreLink
     items: list[ClosingStockItem]
-    creation_date: datetime | None
-    last_edit_date: datetime | None
-    user: UserLink | None
+    creation_date: datetime | None = None
+    last_edit_date: datetime | None = None
+    user: UserLink | None = None
     posted: bool
-    poster: UserLink | None
+    poster: UserLink | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y"), datetime: lambda v: v.strftime("%d-%b-%Y %H:%M")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("creation_date", pre=True)
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("creation_date", mode="before")
+    @classmethod
     def parse_creation_date(cls, value: None | datetime | str) -> datetime | None:
         if value is None:
             return None
@@ -55,10 +59,19 @@ class ClosingStock(BaseModel):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
 
-    @validator("last_edit_date", pre=True)
+    @field_serializer("creation_date")
+    def serialize_creation_date(self, value: datetime | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y %H:%M")
+
+    @field_validator("last_edit_date", mode="before")
+    @classmethod
     def parse_last_edit_date(cls, value: None | datetime | str) -> datetime | None:
         if value is None:
             return None
         if isinstance(value, datetime):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
+
+    @field_serializer("last_edit_date")
+    def serialize_last_edit_date(self, value: datetime | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y %H:%M")
diff --git a/brewman/brewman/schemas/cost_centre.py b/brewman/brewman/schemas/cost_centre.py
index aaa8e3dd..97a12822 100644
--- a/brewman/brewman/schemas/cost_centre.py
+++ b/brewman/brewman/schemas/cost_centre.py
@@ -1,38 +1,28 @@
 import uuid
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from . import to_camel
 
 
 class CostCentreIn(BaseModel):
     name: str = Field(..., min_length=1)
-
-    class Config:
-        anystr_strip_whitespace = True
+    model_config = ConfigDict(str_strip_whitespace=True, populate_by_name=True)
 
 
 class CostCentre(CostCentreIn):
     id_: uuid.UUID
     is_fixture: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class CostCentreLink(BaseModel):
     id_: uuid.UUID = Field(...)
-    name: str | None
-
-    class Config:
-        fields = {"id_": "id"}
+    name: str | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
 
 class CostCentreBlank(CostCentreIn):
     name: str
     is_fixture: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/daybook.py b/brewman/brewman/schemas/daybook.py
index 1c0d0058..2ca78027 100644
--- a/brewman/brewman/schemas/daybook.py
+++ b/brewman/brewman/schemas/daybook.py
@@ -3,54 +3,66 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
 
 
 class DaybookItem(BaseModel):
-    id_: uuid.UUID | None
-    date_: date
+    id_: uuid.UUID | None = None
+    date_: date | str
     url: list[str]
     type_: str
     narration: str
-    debit_text: str | None
-    debit_amount: Decimal | None
-    credit_text: str | None
-    credit_amount: Decimal | None
+    debit_text: str | None = None
+    debit_amount: Decimal | None = None
+    credit_text: str | None = None
+    credit_amount: Decimal | None = None
     posted: bool
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
 
 
 class Daybook(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: list[DaybookItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/employee.py b/brewman/brewman/schemas/employee.py
index d3b68fbb..6cd5eb90 100644
--- a/brewman/brewman/schemas/employee.py
+++ b/brewman/brewman/schemas/employee.py
@@ -2,9 +2,16 @@ import uuid
 
 from datetime import date, datetime
 from decimal import Decimal
-from typing import Any
 
-from pydantic import BaseModel, Field, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    Field,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+    model_validator,
+)
 
 from . import to_camel
 from .account import AccountBase
@@ -14,17 +21,24 @@ from .cost_centre import CostCentreLink
 class EmployeeIn(AccountBase):
     designation: str
     salary: int = Field(ge=0)
-    points: Decimal = Field(ge=0, lt=1000, multiple_of=0.01)
+    points: Decimal = Field(ge=0, lt=1000)
     joining_date: date
-    leaving_date: date | None
+    leaving_date: date | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("joining_date", pre=True)
+    @field_validator("joining_date", mode="before")
+    @classmethod
     def parse_joining_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("leaving_date", pre=True)
+    @field_serializer("joining_date")
+    def serialize_joining_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("leaving_date", mode="before")
+    @classmethod
     def parse_leaving_date(cls, value: None | date | str) -> date | None:
         if isinstance(value, date):
             return value
@@ -32,18 +46,19 @@ class EmployeeIn(AccountBase):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("leaving_date")
-    def leaving_date_more_than_joining_date(cls, v: date | None, values: dict, **kwargs: Any) -> date | None:
-        if values["is_active"]:
-            return None
-        if v < values["joining_date"]:
-            raise ValueError("Leaving Date cannot be less than Joining Date")
-        return v
+    @field_serializer("leaving_date")
+    def serialize_leaving_date(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"), date: lambda v: v.strftime("%d-%b-%Y")}
+    @model_validator(mode="after")
+    def leaving_date_more_than_joining_date(self) -> "EmployeeIn":
+        if self.is_active:
+            self.leaving_date = None
+        if (not self.is_active) and (self.leaving_date is None):
+            raise ValueError("Need leaving date for employee")
+        if self.leaving_date < self.joining_date:
+            raise ValueError("Leaving Date cannot be less than Joining Date")
+        return self
 
 
 class Employee(EmployeeIn):
@@ -54,18 +69,12 @@ class Employee(EmployeeIn):
 
 class EmployeeBlank(EmployeeIn):
     name: str
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"), date: lambda v: v.strftime("%d-%b-%Y")}
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class EmployeeLink(BaseModel):
     id_: uuid.UUID = Field(...)
-    name: str | None
-    designation: str | None
+    name: str | None = None
+    designation: str | None = None
     cost_centre: CostCentreLink
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/employee_attendance.py b/brewman/brewman/schemas/employee_attendance.py
index b64cc166..c0a282cd 100644
--- a/brewman/brewman/schemas/employee_attendance.py
+++ b/brewman/brewman/schemas/employee_attendance.py
@@ -3,7 +3,13 @@ from datetime import date, datetime
 from brewman.schemas import to_camel
 from brewman.schemas.account import AccountLink
 from brewman.schemas.attendance_type import AttendanceType
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 
 class EmployeeAttendanceItem(BaseModel):
@@ -11,39 +17,50 @@ class EmployeeAttendanceItem(BaseModel):
     attendance_type: AttendanceType
     prints: str
     hours_worked: str
-    full_day: bool | None
+    full_day: bool | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
 
 
 class EmployeeAttendance(BaseModel):
-    start_date: date | None
-    finish_date: date | None
-    employee: AccountLink | None
+    start_date: date | None = None
+    finish_date: date | None = None
+    employee: AccountLink | None = None
     body: list[EmployeeAttendanceItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("start_date", pre=True)
-    def parse_start_date(cls, value: date | str) -> date:
+    @field_validator("start_date", mode="before")
+    @classmethod
+    def parse_start_date(cls, value: date | str | None) -> date | None:
+        if value is None:
+            return None
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
-    def parse_finish_date(cls, value: date | str) -> date:
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
+    def parse_finish_date(cls, value: date | str | None) -> date | None:
+        if value is None:
+            return None
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/employee_benefit.py b/brewman/brewman/schemas/employee_benefit.py
index 44b51414..5c826484 100644
--- a/brewman/brewman/schemas/employee_benefit.py
+++ b/brewman/brewman/schemas/employee_benefit.py
@@ -2,11 +2,11 @@ import uuid
 
 from brewman.schemas import to_camel
 from brewman.schemas.employee import EmployeeLink
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class EmployeeBenefit(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     employee: EmployeeLink
     gross_salary: int = Field(ge=0)
     days_worked: int = Field(ge=0)
@@ -14,6 +14,4 @@ class EmployeeBenefit(BaseModel):
     pf_employee: int | None = Field(ge=0)
     esi_employer: int | None = Field(ge=0)
     pf_employer: int | None = Field(ge=0)
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/entries.py b/brewman/brewman/schemas/entries.py
index 9dc366cf..3aa76a2b 100644
--- a/brewman/brewman/schemas/entries.py
+++ b/brewman/brewman/schemas/entries.py
@@ -3,7 +3,13 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from . import to_camel
 from .user_link import UserLink
@@ -22,42 +28,43 @@ class Entries(BaseModel):
     creation_date: datetime
     last_edit_date: datetime
     user: UserLink
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("creation_date", pre=True)
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("creation_date", mode="before")
+    @classmethod
     def parse_creation_date(cls, value: datetime | str) -> datetime:
         if isinstance(value, datetime):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
 
-    @validator("last_edit_date", pre=True)
+    @field_serializer("creation_date")
+    def serialize_creation_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
+
+    @field_validator("last_edit_date", mode="before")
+    @classmethod
     def parse_last_edit_date(cls, value: datetime | str) -> datetime:
         if isinstance(value, datetime):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
 
+    @field_serializer("last_edit_date")
+    def serialize_last_edit_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
+
 
 class Report(BaseModel):
     counts: int
     report: list[Entries]
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/fingerprint.py b/brewman/brewman/schemas/fingerprint.py
index c164efaf..70f5c0f8 100644
--- a/brewman/brewman/schemas/fingerprint.py
+++ b/brewman/brewman/schemas/fingerprint.py
@@ -1,11 +1,30 @@
 import uuid
 
-from datetime import datetime
+from datetime import date, datetime
 
-from pydantic import BaseModel
+from brewman.schemas import to_camel
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 
 class Fingerprint(BaseModel):
-    id: uuid.UUID
+    id_: uuid.UUID
     employee_id: uuid.UUID
-    date: datetime
+    date_: datetime
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
+
+    @field_validator("date_", mode="before")
+    @classmethod
+    def parse_date(cls, value: date | str) -> date:
+        if isinstance(value, date):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/image_upload.py b/brewman/brewman/schemas/image_upload.py
index 0cafd615..eb91ee79 100644
--- a/brewman/brewman/schemas/image_upload.py
+++ b/brewman/brewman/schemas/image_upload.py
@@ -1,13 +1,11 @@
 import uuid
 
 from brewman.schemas import to_camel
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class ImageUpload(BaseModel):
-    id_: uuid.UUID | None
-    resized: str | None
-    thumbnail: str | None
-
-    class Config:
-        alias_generator = to_camel
+    id_: uuid.UUID | None = None
+    resized: str | None = None
+    thumbnail: str | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/incentive.py b/brewman/brewman/schemas/incentive.py
index b3f93722..3b78bf22 100644
--- a/brewman/brewman/schemas/incentive.py
+++ b/brewman/brewman/schemas/incentive.py
@@ -3,7 +3,7 @@ import uuid
 from decimal import Decimal
 
 from brewman.schemas import to_camel
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class Incentive(BaseModel):
@@ -11,8 +11,6 @@ class Incentive(BaseModel):
     name: str
     designation: str
     department: str
-    days_worked: Decimal = Field(ge=0, multiple_of=0.5)
-    points: Decimal = Field(ge=0, multiple_of=0.01)
-
-    class Config:
-        alias_generator = to_camel
+    days_worked: Decimal = Field(ge=0)
+    points: Decimal = Field(ge=0)
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/input.py b/brewman/brewman/schemas/input.py
index 59e52f7d..d11edb54 100644
--- a/brewman/brewman/schemas/input.py
+++ b/brewman/brewman/schemas/input.py
@@ -5,7 +5,7 @@ from datetime import date, datetime
 from decimal import Decimal
 
 from fastapi import Form
-from pydantic import BaseModel, Field, validator
+from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
 
 from . import to_camel
 from .account import AccountLink
@@ -19,16 +19,10 @@ from .voucher import VoucherIn
 
 class JournalIn(VoucherIn):
     journals: list[Journal]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
@@ -43,16 +37,10 @@ class JournalIn(VoucherIn):
 class PurchaseIn(VoucherIn):
     vendor: AccountLink
     inventories: list[Inventory]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
@@ -68,26 +56,13 @@ class IssueIn(VoucherIn):
     source: CostCentreLink
     destination: CostCentreLink
     inventories: list[Inventory]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
-    def parse_date(cls, value: date | str) -> date:
-        if isinstance(value, date):
-            return value
-        return datetime.strptime(value, "%d-%b-%Y").date()
-
-    @validator("destination")  # For Purchase, Issue and Return Vouchers
-    def source_destination_unique(cls, value: CostCentreLink, values: dict) -> CostCentreLink:
-        if value.id_ == values["source"].id_:
+    @model_validator(mode="after")
+    def source_destination_unique(self) -> "IssueIn":
+        if self.source.id_ == self.destination.id_:
             raise ValueError("Source and destination cannot be the same")
-        return value
+        return self
 
     @classmethod
     def load_form(cls, data: str = Form(...)) -> BaseModel:
@@ -97,16 +72,10 @@ class IssueIn(VoucherIn):
 
 class EmployeeBenefitIn(VoucherIn):
     employee_benefits: list[EmployeeBenefit]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
@@ -120,16 +89,10 @@ class EmployeeBenefitIn(VoucherIn):
 
 class IncentiveIn(VoucherIn):
     incentives: list[Incentive]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
@@ -142,9 +105,9 @@ class IncentiveIn(VoucherIn):
 
 
 class IncentiveEmployee(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     employee_id: uuid.UUID
     cost_centre_id: uuid.UUID
-    journal: Journal | None
-    days_worked: Decimal = Field(ge=0, multiple_of=0.5)
-    points: Decimal = Field(ge=0, multiple_of=0.01)
+    journal: Journal | None = None
+    days_worked: Decimal = Field(ge=0)
+    points: Decimal = Field(ge=0)
diff --git a/brewman/brewman/schemas/inventory.py b/brewman/brewman/schemas/inventory.py
index 3e9f1146..1c033c4f 100644
--- a/brewman/brewman/schemas/inventory.py
+++ b/brewman/brewman/schemas/inventory.py
@@ -4,17 +4,15 @@ from decimal import Decimal
 
 from brewman.schemas import to_camel
 from brewman.schemas.batch import Batch
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class Inventory(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     batch: Batch
-    quantity: Decimal = Field(ge=0, multiple_of=0.01)
-    rate: Decimal = Field(ge=0, multiple_of=0.01)
-    tax: Decimal = Field(ge=0, multiple_of=0.00001, le=5)
-    discount: Decimal = Field(ge=0, multiple_of=0.00001, le=1)
-    amount: Decimal | None
-
-    class Config:
-        alias_generator = to_camel
+    quantity: Decimal = Field(ge=0)
+    rate: Decimal = Field(ge=0)
+    tax: Decimal = Field(ge=0, le=5)
+    discount: Decimal = Field(ge=0, le=1)
+    amount: Decimal | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/issue_grid_item.py b/brewman/brewman/schemas/issue_grid_item.py
index d52c67fd..3d3c9d87 100644
--- a/brewman/brewman/schemas/issue_grid_item.py
+++ b/brewman/brewman/schemas/issue_grid_item.py
@@ -2,7 +2,8 @@ import uuid
 
 from decimal import Decimal
 
-from pydantic import BaseModel
+from brewman.schemas import to_camel
+from pydantic import BaseModel, ConfigDict
 
 
 class IssueGridItem(BaseModel):
@@ -10,6 +11,4 @@ class IssueGridItem(BaseModel):
     amount: Decimal
     source: str
     destination: str
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/journal.py b/brewman/brewman/schemas/journal.py
index 87ef9560..e5e9e056 100644
--- a/brewman/brewman/schemas/journal.py
+++ b/brewman/brewman/schemas/journal.py
@@ -5,16 +5,13 @@ from decimal import Decimal
 from brewman.schemas import to_camel
 from brewman.schemas.account import AccountLink
 from brewman.schemas.cost_centre import CostCentreLink
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class Journal(BaseModel):
-    id_: uuid.UUID | None
-    debit: int = Field(ge=-1, le=1, multiple_of=1)
+    id_: uuid.UUID | None = None
+    debit: int = Field(ge=-1, le=1)
     amount: Decimal = Field(ge=0)
     account: AccountLink
-    cost_centre: CostCentreLink | None
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    cost_centre: CostCentreLink | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/ledger.py b/brewman/brewman/schemas/ledger.py
index 3aa7fe98..a8d8d72e 100644
--- a/brewman/brewman/schemas/ledger.py
+++ b/brewman/brewman/schemas/ledger.py
@@ -3,7 +3,12 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -11,8 +16,8 @@ from .account import AccountLink
 
 
 class LedgerItem(BaseModel):
-    id_: uuid.UUID | None
-    date_: date
+    id_: uuid.UUID | None = None
+    date_: date | str
     name: str
     url: list[str]
     type_: str
@@ -20,38 +25,45 @@ class LedgerItem(BaseModel):
     debit: Decimal
     credit: Decimal
     posted: bool
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
 
 
 class Ledger(BaseModel):
-    start_date: date
-    finish_date: date
-    account: AccountLink | None
+    start_date: date | str
+    finish_date: date | str
+    account: AccountLink | None = None
     body: list[LedgerItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/login_history.py b/brewman/brewman/schemas/login_history.py
index f629849b..bbb1ad95 100644
--- a/brewman/brewman/schemas/login_history.py
+++ b/brewman/brewman/schemas/login_history.py
@@ -2,7 +2,7 @@ import uuid
 
 from datetime import datetime
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from . import to_camel
 
@@ -12,8 +12,4 @@ class LoginHistory(BaseModel):
     user_id: uuid.UUID
     client_id: uuid.UUID
     date: datetime
-
-    class Config:
-        fields = {"id_": "id"}
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/net_transactions.py b/brewman/brewman/schemas/net_transactions.py
index 68c4a2d1..d47286b9 100644
--- a/brewman/brewman/schemas/net_transactions.py
+++ b/brewman/brewman/schemas/net_transactions.py
@@ -1,7 +1,12 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -10,33 +15,35 @@ from . import to_camel
 class NetTransactionsItem(BaseModel):
     type_: str
     name: str
-    debit: Decimal | None
-    credit: Decimal | None
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    debit: Decimal | None = None
+    credit: Decimal | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class NetTransactions(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: list[NetTransactionsItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/non_contract_purchase.py b/brewman/brewman/schemas/non_contract_purchase.py
index d532d2ab..a2564ba1 100644
--- a/brewman/brewman/schemas/non_contract_purchase.py
+++ b/brewman/brewman/schemas/non_contract_purchase.py
@@ -1,7 +1,12 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -14,14 +19,15 @@ class NonContractPurchase(BaseModel):
     url: list[str]
     contract_price: Decimal
     purchase_price: Decimal
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/period.py b/brewman/brewman/schemas/period.py
index 28700a09..012267c9 100644
--- a/brewman/brewman/schemas/period.py
+++ b/brewman/brewman/schemas/period.py
@@ -2,7 +2,14 @@ import uuid
 
 from datetime import date, datetime
 
-from pydantic import BaseModel, Field, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    Field,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from . import to_camel
 
@@ -10,36 +17,36 @@ from . import to_camel
 class PeriodIn(BaseModel):
     valid_from: date
     valid_till: date
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y") if v is not None else None}
-
-    @validator("valid_from", pre=True)
+    @field_validator("valid_from", mode="before")
+    @classmethod
     def parse_valid_from(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("valid_till", pre=True)
+    @field_serializer("valid_from")
+    def serialize_valid_from(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("valid_till", mode="before")
+    @classmethod
     def parse_valid_till(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
+    @field_serializer("valid_till")
+    def serialize_valid_till(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
 
 class Period(PeriodIn):
     id_: uuid.UUID
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class PeriodLink(BaseModel):
     id_: uuid.UUID = Field(...)
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/permission.py b/brewman/brewman/schemas/permission.py
index a43d2fdf..c7b2e28b 100644
--- a/brewman/brewman/schemas/permission.py
+++ b/brewman/brewman/schemas/permission.py
@@ -1,5 +1,7 @@
 import uuid
 
+from brewman.schemas import to_camel
+from pydantic import ConfigDict
 from pydantic.main import BaseModel
 
 
@@ -7,6 +9,4 @@ class PermissionItem(BaseModel):
     id_: uuid.UUID
     name: str
     enabled: bool
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/product.py b/brewman/brewman/schemas/product.py
index a3667f35..e4c81252 100644
--- a/brewman/brewman/schemas/product.py
+++ b/brewman/brewman/schemas/product.py
@@ -1,6 +1,6 @@
 import uuid
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from . import to_camel
 from .product_group import ProductGroupLink
@@ -9,10 +9,8 @@ from .stock_keeping_unit import StockKeepingUnit
 
 class ProductLink(BaseModel):
     id_: uuid.UUID = Field(...)
-    name: str | None
-
-    class Config:
-        fields = {"id_": "id"}
+    name: str | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
 
 class ProductIn(BaseModel):
@@ -23,10 +21,7 @@ class ProductIn(BaseModel):
     is_active: bool
     is_purchased: bool
     is_sold: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class Product(ProductIn):
@@ -39,9 +34,6 @@ class ProductBlank(ProductIn):
     name: str
     fraction_units: str
     skus: list[StockKeepingUnit]
-    product_group: ProductGroupLink | None  # type: ignore[assignment]
+    product_group: ProductGroupLink | None = None  # type: ignore[assignment]
     is_fixture: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/product_group.py b/brewman/brewman/schemas/product_group.py
index 0cdbbde2..ee59add8 100644
--- a/brewman/brewman/schemas/product_group.py
+++ b/brewman/brewman/schemas/product_group.py
@@ -1,6 +1,6 @@
 import uuid
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from . import to_camel
 
@@ -12,24 +12,16 @@ class ProductGroupIn(BaseModel):
 class ProductGroup(ProductGroupIn):
     id_: uuid.UUID
     is_fixture: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class ProductGroupBlank(ProductGroupIn):
     name: str
     is_fixture: bool
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class ProductGroupLink(BaseModel):
     id_: uuid.UUID = Field(...)
-    name: str | None
-
-    class Config:
-        fields = {"id_": "id"}
+    name: str | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/product_ledger.py b/brewman/brewman/schemas/product_ledger.py
index 8f2084a1..8884d3c2 100644
--- a/brewman/brewman/schemas/product_ledger.py
+++ b/brewman/brewman/schemas/product_ledger.py
@@ -3,7 +3,12 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -11,53 +16,60 @@ from .product import ProductLink
 
 
 class ProductLedgerItem(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     date_: date
     name: str
     url: list[str]
     type_: str
     narration: str
-    debit_quantity: Decimal | None
-    debit_amount: Decimal | None
-    debit_unit: str | None
-    credit_quantity: Decimal | None
-    credit_amount: Decimal | None
-    credit_unit: str | None
+    debit_quantity: Decimal | None = None
+    debit_amount: Decimal | None = None
+    debit_unit: str | None = None
+    credit_quantity: Decimal | None = None
+    credit_amount: Decimal | None = None
+    credit_unit: str | None = None
     running_quantity: Decimal
     running_amount: Decimal
     posted: bool
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
 
 
 class ProductLedger(BaseModel):
-    start_date: date
-    finish_date: date
-    product: ProductLink | None
+    start_date: date | str
+    finish_date: date | str
+    product: ProductLink | None = None
     body: list[ProductLedgerItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/product_sku.py b/brewman/brewman/schemas/product_sku.py
index b6255470..b0c2e060 100644
--- a/brewman/brewman/schemas/product_sku.py
+++ b/brewman/brewman/schemas/product_sku.py
@@ -3,7 +3,7 @@ import uuid
 from decimal import Decimal
 
 from brewman.schemas import to_camel
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class ProductSku(BaseModel):
@@ -13,6 +13,4 @@ class ProductSku(BaseModel):
     cost_price: Decimal
     sale_price: Decimal
     is_rate_contracted: bool
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/profit_loss.py b/brewman/brewman/schemas/profit_loss.py
index c4a8c42d..21f690e4 100644
--- a/brewman/brewman/schemas/profit_loss.py
+++ b/brewman/brewman/schemas/profit_loss.py
@@ -1,44 +1,51 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
 
 
 class ProfitLossItem(BaseModel):
-    group: str | None
-    name: str | None
-    amount: Decimal | None
-    total: Decimal | None
+    group: str | None = None
+    name: str | None = None
+    amount: Decimal | None = None
+    total: Decimal | None = None
     order: int
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class ProfitLoss(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: list[ProfitLossItem]
     footer: ProfitLossItem
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/purchase_entries.py b/brewman/brewman/schemas/purchase_entries.py
index e61c39fa..3729dc2b 100644
--- a/brewman/brewman/schemas/purchase_entries.py
+++ b/brewman/brewman/schemas/purchase_entries.py
@@ -1,7 +1,12 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -18,35 +23,40 @@ class PurchaseEntriesItem(BaseModel):
     discount: Decimal
     amount: Decimal
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class PurchaseEntries(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: list[PurchaseEntriesItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/purchases.py b/brewman/brewman/schemas/purchases.py
index f1dd0a7f..d2909bf4 100644
--- a/brewman/brewman/schemas/purchases.py
+++ b/brewman/brewman/schemas/purchases.py
@@ -1,7 +1,12 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -13,31 +18,34 @@ class PurchasesItem(BaseModel):
     rate: Decimal
     amount: Decimal
     url: list[str]
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class Purchases(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: list[PurchasesItem]
     footer: PurchasesItem
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/rate_contract.py b/brewman/brewman/schemas/rate_contract.py
index dc27cbd9..e6ad0080 100644
--- a/brewman/brewman/schemas/rate_contract.py
+++ b/brewman/brewman/schemas/rate_contract.py
@@ -2,7 +2,13 @@ import uuid
 
 from datetime import date, datetime
 
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from . import to_camel
 from .account import AccountLink
@@ -12,50 +18,56 @@ from .user_link import UserLink
 
 class RateContractBlank(BaseModel):
     date_: date
-    valid_from: date
-    valid_till: date
+    valid_from: date | None
+    valid_till: date | None
     narration: str
     items: list[RateContractItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("valid_from", pre=True)
-    def parse_valid_from(cls, value: date | str) -> date:
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("valid_from", mode="before")
+    @classmethod
+    def parse_valid_from(cls, value: date | str | None) -> date | None:
+        if value is None:
+            return value
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("valid_till", pre=True)
-    def parse_valid_till(cls, value: date | str) -> date:
+    @field_serializer("valid_from")
+    def serialize_valid_from(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
+    @field_validator("valid_till", mode="before")
+    @classmethod
+    def parse_valid_till(cls, value: date | str | None) -> date | None:
+        if value is None:
+            return value
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
+    @field_serializer("valid_till")
+    def serialize_valid_till(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
 
 class RateContractIn(RateContractBlank):
     vendor: AccountLink
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
@@ -67,23 +79,26 @@ class RateContract(RateContractIn):
     creation_date: datetime
     last_edit_date: datetime
     user: UserLink
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("creation_date", pre=True)
-    def parse_creation_date(cls, value: datetime | str) -> datetime:
+    @field_validator("creation_date", mode="before")
+    @classmethod
+    def parse_creation_date(cls, value: datetime | str) -> datetime | None:
         if isinstance(value, datetime):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
 
-    @validator("last_edit_date", pre=True)
-    def parse_last_edit_date(cls, value: datetime | str) -> datetime:
+    @field_serializer("creation_date")
+    def serialize_creation_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
+
+    @field_validator("last_edit_date", mode="before")
+    @classmethod
+    def parse_last_edit_date(cls, value: datetime | str) -> datetime | None:
         if isinstance(value, datetime):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
+
+    @field_serializer("last_edit_date")
+    def serialize_last_edit_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
diff --git a/brewman/brewman/schemas/rate_contract_item.py b/brewman/brewman/schemas/rate_contract_item.py
index b1670ff7..dfa628d7 100644
--- a/brewman/brewman/schemas/rate_contract_item.py
+++ b/brewman/brewman/schemas/rate_contract_item.py
@@ -4,13 +4,11 @@ from decimal import Decimal
 
 from brewman.schemas import to_camel
 from brewman.schemas.product import ProductLink
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class RateContractItem(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     sku: ProductLink
-    price: Decimal = Field(ge=0, multiple_of=0.01)
-
-    class Config:
-        alias_generator = to_camel
+    price: Decimal = Field(ge=0)
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/raw_material_cost.py b/brewman/brewman/schemas/raw_material_cost.py
index 4baff878..888bc7ef 100644
--- a/brewman/brewman/schemas/raw_material_cost.py
+++ b/brewman/brewman/schemas/raw_material_cost.py
@@ -3,52 +3,60 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
 
 
 class RawMaterialCostItem(BaseModel):
-    name: str | None
-    issue: Decimal | None
-    sale: Decimal | None
-    rmc: Decimal | None
-    url: list[str] | None
+    name: str | None = None
+    issue: Decimal | None = None
+    sale: Decimal | None = None
+    rmc: Decimal | None = None
+    url: list[str] | None = None
 
-    group: str | None
-    quantity: Decimal | None
-    net: Decimal | None
-    gross: Decimal | None
+    group: str | None = None
+    quantity: Decimal | None = None
+    net: Decimal | None = None
+    gross: Decimal | None = None
     order: int
 
-    heading: bool | None
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    heading: bool | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class RawMaterialCost(BaseModel):
-    id_: uuid.UUID | None
-    start_date: date
-    finish_date: date
+    id_: uuid.UUID | None = None
+    start_date: date | str
+    finish_date: date | str
     body: list[RawMaterialCostItem]
-    footer: RawMaterialCostItem | None
+    footer: RawMaterialCostItem | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/recipe.py b/brewman/brewman/schemas/recipe.py
index 8e035f50..0ffbaad0 100644
--- a/brewman/brewman/schemas/recipe.py
+++ b/brewman/brewman/schemas/recipe.py
@@ -3,7 +3,13 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from . import to_camel
 from .product import ProductLink
@@ -21,32 +27,27 @@ class RecipeIn(BaseModel):
     notes: str
 
     items: list[RecipeItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
 
 class Recipe(RecipeIn):
     id_: uuid.UUID
-    product_group_id: uuid.UUID | None
-    units: str | None
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    product_group_id: uuid.UUID | None = None
+    units: str | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class RecipeBlank(RecipeIn):
-    sku: ProductLink | None  # type: ignore[assignment]
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    sku: ProductLink | None = None  # type: ignore[assignment]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/recipe_item.py b/brewman/brewman/schemas/recipe_item.py
index dad716e3..63047e77 100644
--- a/brewman/brewman/schemas/recipe_item.py
+++ b/brewman/brewman/schemas/recipe_item.py
@@ -2,15 +2,14 @@ import uuid
 
 from decimal import Decimal
 
+from brewman.schemas import to_camel
 from brewman.schemas.product import ProductLink
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class RecipeItem(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     product: ProductLink
     quantity: Decimal
     description: str
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/recipe_template.py b/brewman/brewman/schemas/recipe_template.py
index 404a505b..e01727aa 100644
--- a/brewman/brewman/schemas/recipe_template.py
+++ b/brewman/brewman/schemas/recipe_template.py
@@ -2,7 +2,12 @@ import uuid
 
 from datetime import date, datetime
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -10,28 +15,26 @@ from . import to_camel
 
 class RecipeTemplateIn(BaseModel):
     name: str
-    date_: date | None
+    date_: date | None = None
     text: str
     selected: bool
 
-    @validator("date_", pre=True)
-    def parse_valid_from(cls, value: date | str | None) -> date:
+    @field_validator("date_", mode="before")
+    @classmethod
+    def parse_valid_from(cls, value: date | str | None) -> date | None:
         if value is None:
             return None
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y") if v is not None else None}
+    @field_serializer("date_")
+    def serialize_date(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class RecipeTemplate(RecipeTemplateIn):
     id_: uuid.UUID
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y") if v is not None else None}
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/reconcile.py b/brewman/brewman/schemas/reconcile.py
index 5db7e65e..5a63dab3 100644
--- a/brewman/brewman/schemas/reconcile.py
+++ b/brewman/brewman/schemas/reconcile.py
@@ -3,7 +3,12 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -11,7 +16,7 @@ from .account import AccountLink
 
 
 class ReconcileItem(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     date_: date
     name: str
     url: list[str]
@@ -21,15 +26,22 @@ class ReconcileItem(BaseModel):
     credit: Decimal
     posted: bool
     is_reconciled: bool
-    reconcile_date: date | None
+    reconcile_date: date | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("reconcile_date", pre=True)
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("reconcile_date", mode="before")
+    @classmethod
     def parse_reconcile_date(cls, value: None | date | str) -> date | None:
         if value is None:
             return None
@@ -37,31 +49,36 @@ class ReconcileItem(BaseModel):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+    @field_serializer("reconcile_date")
+    def serialize_reconcile_date(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
 
 
 class Reconcile(BaseModel):
-    start_date: date
-    finish_date: date
-    account: AccountLink | None
+    start_date: date | str
+    finish_date: date | str
+    account: AccountLink | None = None
     body: list[ReconcileItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/role.py b/brewman/brewman/schemas/role.py
index 73ecf6de..4dfb44cc 100644
--- a/brewman/brewman/schemas/role.py
+++ b/brewman/brewman/schemas/role.py
@@ -1,6 +1,7 @@
 import uuid
 
-from pydantic import Field
+from brewman.schemas import to_camel
+from pydantic import ConfigDict, Field
 from pydantic.main import BaseModel
 
 from .permission import PermissionItem
@@ -9,41 +10,28 @@ from .permission import PermissionItem
 class RoleIn(BaseModel):
     name: str = Field(..., min_length=1)
     permissions: list[PermissionItem]
-
-    class Config:
-        anystr_strip_whitespace = True
+    model_config = ConfigDict(str_strip_whitespace=True, populate_by_name=True)
 
 
 class Role(RoleIn):
     id_: uuid.UUID
-
-    class Config:
-        fields = {"id_": "id"}
-        anystr_strip_whitespace = True
+    model_config = ConfigDict(alias_generator=to_camel, str_strip_whitespace=True, populate_by_name=True)
 
 
 class RoleList(BaseModel):
     id_: uuid.UUID
     name: str
     permissions: list[str]
-
-    class Config:
-        fields = {"id_": "id"}
-        anystr_strip_whitespace = True
+    model_config = ConfigDict(alias_generator=to_camel, str_strip_whitespace=True, populate_by_name=True)
 
 
 class RoleItem(BaseModel):
     id_: uuid.UUID
     name: str
     enabled: bool
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, str_strip_whitespace=True, populate_by_name=True)
 
 
 class RoleBlank(RoleIn):
     name: str
-
-    class Config:
-        fields = {"id_": "id"}
-        anystr_strip_whitespace = True
+    model_config = ConfigDict(alias_generator=to_camel, str_strip_whitespace=True, populate_by_name=True)
diff --git a/brewman/brewman/schemas/settings.py b/brewman/brewman/schemas/settings.py
index 16b5aaab..a881fe4d 100644
--- a/brewman/brewman/schemas/settings.py
+++ b/brewman/brewman/schemas/settings.py
@@ -2,22 +2,24 @@ import uuid
 
 from datetime import date, datetime
 
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from . import to_camel
 
 
 class LockDate(BaseModel):
-    days: int | None
-    date_: date | None
+    days: int | None = None
+    date_: date | None = None
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        fields = {"date_": "date"}
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-        }
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: None | date | str) -> date | None:
         if value is None:
             return None
@@ -25,28 +27,28 @@ class LockDate(BaseModel):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
+    @field_serializer("date_")
+    def serialize_date(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
 
 class VoucherTypesSelected(BaseModel):
     id_: int
     name: str
-
-    class Config:
-        fields = {"id_": "id"}
+    model_config = ConfigDict(alias_generator=to_camel, str_strip_whitespace=True, populate_by_name=True)
 
 
 class AccountTypesSelected(BaseModel):
     id_: int
     name: str
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
 
 class LockInformation(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
 
-    valid_from: date | None
-    valid_till: date | None
+    valid_from: date | None = None
+    valid_till: date | None = None
 
     voucher_types: list[VoucherTypesSelected]
     account_types: list[AccountTypesSelected]
@@ -55,29 +57,34 @@ class LockInformation(BaseModel):
     finish: LockDate
 
     index: int
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-        }
-
-    @validator("valid_from", pre=True)
-    def parse_valid_from(cls, value: None | date | str) -> date | None:
+    @field_validator("valid_from", mode="before")
+    @classmethod
+    def parse_valid_from(cls, value: date | str | None) -> date | None:
         if value is None:
             return None
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("valid_till", pre=True)
-    def parse_valid_till(cls, value: None | date | str) -> date | None:
+    @field_serializer("valid_from")
+    def serialize_valid_from(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
+    @field_validator("valid_till", mode="before")
+    @classmethod
+    def parse_valid_till(cls, value: date | str | None) -> date | None:
         if value is None:
             return None
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
+    @field_serializer("valid_till")
+    def serialize_valid_till(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
 
 class Maintenance(BaseModel):
     enabled: bool
@@ -86,6 +93,4 @@ class Maintenance(BaseModel):
 
 class AttendanceCount(BaseModel):
     attendance_count: int
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/stock_keeping_unit.py b/brewman/brewman/schemas/stock_keeping_unit.py
index cbf43353..85ff8975 100644
--- a/brewman/brewman/schemas/stock_keeping_unit.py
+++ b/brewman/brewman/schemas/stock_keeping_unit.py
@@ -2,19 +2,16 @@ import uuid
 
 from decimal import Decimal
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from . import to_camel
 
 
 class StockKeepingUnit(BaseModel):
-    id_: uuid.UUID | None
+    id_: uuid.UUID | None = None
     units: str = Field(..., min_length=1)
     fraction: Decimal = Field(ge=1, default=1)
     product_yield: Decimal = Field(gt=0, le=1, default=1)
-    cost_price: Decimal = Field(ge=0, multiple_of=0.01, default=0)
-    sale_price: Decimal = Field(ge=0, multiple_of=0.01, default=0)
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    cost_price: Decimal = Field(ge=0, default=0)
+    sale_price: Decimal = Field(ge=0, default=0)
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/stock_movement.py b/brewman/brewman/schemas/stock_movement.py
index bfef314f..bc0c6aac 100644
--- a/brewman/brewman/schemas/stock_movement.py
+++ b/brewman/brewman/schemas/stock_movement.py
@@ -3,7 +3,12 @@ import uuid
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -18,30 +23,33 @@ class StockMovementItem(BaseModel):
     issue: Decimal
     closing: Decimal
     url: list[str]
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class StockMovement(BaseModel):
-    start_date: date
-    finish_date: date
+    start_date: date | str
+    finish_date: date | str
     body: list[StockMovementItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("start_date", pre=True)
+    @field_validator("start_date", mode="before")
+    @classmethod
     def parse_start_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("finish_date", pre=True)
+    @field_serializer("start_date")
+    def serialize_start_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
+    @field_validator("finish_date", mode="before")
+    @classmethod
     def parse_finish_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("finish_date")
+    def serialize_finish_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/trial_balance.py b/brewman/brewman/schemas/trial_balance.py
index e25da93a..d8e26981 100644
--- a/brewman/brewman/schemas/trial_balance.py
+++ b/brewman/brewman/schemas/trial_balance.py
@@ -1,34 +1,37 @@
 from datetime import date, datetime
 from decimal import Decimal
 
-from pydantic import validator
+from pydantic import (
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
 
 
 class TrialBalanceItem(BaseModel):
-    type_: str | None
-    name: str | None
-    debit: Decimal | None
-    credit: Decimal | None
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    type_: str | None = None
+    name: str | None = None
+    debit: Decimal | None = None
+    credit: Decimal | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class TrialBalance(BaseModel):
-    date_: date
+    date_: date | str
     body: list[TrialBalanceItem]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
-
-    @validator("date_", pre=True)
+    @field_validator("date_", mode="before")
+    @classmethod
     def parse_date(cls, value: date | str) -> date:
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
diff --git a/brewman/brewman/schemas/user.py b/brewman/brewman/schemas/user.py
index 3955c89a..94888ef0 100644
--- a/brewman/brewman/schemas/user.py
+++ b/brewman/brewman/schemas/user.py
@@ -2,7 +2,13 @@ import uuid
 
 from datetime import datetime
 
-from pydantic import Field
+from pydantic import (
+    ConfigDict,
+    Field,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 from pydantic.main import BaseModel
 
 from . import to_camel
@@ -14,31 +20,35 @@ class UserIn(BaseModel):
     password: str
     locked_out: bool
     roles: list[RoleItem]
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class User(UserIn):
     id_: uuid.UUID
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
 
 class UserList(BaseModel):
     id_: uuid.UUID
     name: str
+    locked_out: bool
     roles: list[str]
     last_device: str
-    last_date: datetime | None
+    last_date: datetime | None = None
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {datetime: lambda v: v.strftime("%d-%b-%Y %H:%M")}
+    @field_validator("last_date", mode="before")
+    @classmethod
+    def parse_last_edit_date(cls, value: datetime | str | None) -> datetime | None:
+        if value is None:
+            return value
+        if isinstance(value, datetime):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y %H:%M")
+
+    @field_serializer("last_date")
+    def serialize_last_edit_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return None if value is None else value.strftime("%d-%b-%Y %H:%M")
 
 
 class UserToken(BaseModel):
@@ -51,7 +61,4 @@ class UserToken(BaseModel):
 
 class UserBlank(UserIn):
     name: str
-
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/user_link.py b/brewman/brewman/schemas/user_link.py
index 86ab3dd1..85063ab3 100644
--- a/brewman/brewman/schemas/user_link.py
+++ b/brewman/brewman/schemas/user_link.py
@@ -1,12 +1,10 @@
 import uuid
 
 from brewman.schemas import to_camel
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class UserLink(BaseModel):
     id_: uuid.UUID
     name: str
-
-    class Config:
-        alias_generator = to_camel
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
diff --git a/brewman/brewman/schemas/voucher.py b/brewman/brewman/schemas/voucher.py
index 628d3ca2..14d41754 100644
--- a/brewman/brewman/schemas/voucher.py
+++ b/brewman/brewman/schemas/voucher.py
@@ -5,7 +5,13 @@ from datetime import date, datetime
 from decimal import Decimal
 
 from fastapi import Form
-from pydantic import BaseModel, validator
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    FieldSerializationInfo,
+    field_serializer,
+    field_validator,
+)
 
 from . import to_camel
 from .account import AccountLink
@@ -28,6 +34,17 @@ class VoucherIn(BaseModel):
     type_: str
     files: list[ImageUpload]
 
+    @field_validator("date_", mode="before")
+    @classmethod
+    def parse_date(cls, value: date | str) -> date:
+        if isinstance(value, date):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @field_serializer("date_")
+    def serialize_date(self, value: date, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y")
+
     @classmethod
     def load_form(cls, data: str = Form(...)) -> BaseModel:
         json_data = json.loads(data)
@@ -35,39 +52,40 @@ class VoucherIn(BaseModel):
 
 
 class Voucher(VoucherIn):
-    id_: uuid.UUID | None
-    is_reconciled: bool | None
-    reconcile_date: date | None
-    creation_date: datetime | None
-    last_edit_date: datetime | None
-    user: UserLink | None
-    posted: bool | None
-    poster: str | None
+    id_: uuid.UUID | None = None
+    is_reconciled: bool | None = None
+    reconcile_date: date | None = None
+    creation_date: datetime | None = None
+    last_edit_date: datetime | None = None
+    user: UserLink | None = None
+    posted: bool | None = None
+    poster: str | None = None
     journals: list[Journal]
     inventories: list[Inventory]
-    vendor: AccountLink | None
-    source: CostCentreLink | None
-    destination: CostCentreLink | None
+    vendor: AccountLink | None = None
+    source: CostCentreLink | None = None
+    destination: CostCentreLink | None = None
     incentives: list[Incentive]
-    incentive: Decimal | None
+    incentive: Decimal | None = None
     employee_benefits: list[EmployeeBenefit]
     files: list[ImageUpload]
+    model_config = ConfigDict(str_strip_whitespace=True, alias_generator=to_camel, populate_by_name=True)
 
-    class Config:
-        anystr_strip_whitespace = True
-        alias_generator = to_camel
-        json_encoders = {
-            date: lambda v: v.strftime("%d-%b-%Y"),
-            datetime: lambda v: v.strftime("%d-%b-%Y %H:%M"),
-        }
-
-    @validator("date_", pre=True)
-    def parse_date(cls, value: date | str) -> date:
+    @field_validator("reconcile_date", mode="before")
+    @classmethod
+    def parse_reconcile_date(cls, value: None | date | str) -> date | None:
+        if value is None or value == "":
+            return None
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
 
-    @validator("creation_date", pre=True)
+    @field_serializer("reconcile_date")
+    def serialize_reconcile_date(self, value: date | None, info: FieldSerializationInfo) -> str | None:
+        return None if value is None else value.strftime("%d-%b-%Y")
+
+    @field_validator("creation_date", mode="before")
+    @classmethod
     def parse_creation_date(cls, value: None | datetime | str) -> datetime | None:
         if value is None or value == "":
             return None
@@ -75,7 +93,12 @@ class Voucher(VoucherIn):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
 
-    @validator("last_edit_date", pre=True)
+    @field_serializer("creation_date")
+    def serialize_creation_date(self, value: datetime, info: FieldSerializationInfo) -> str | None:
+        return value.strftime("%d-%b-%Y %H:%M")
+
+    @field_validator("last_edit_date", mode="before")
+    @classmethod
     def parse_last_edit_date(cls, value: None | datetime | str) -> datetime | None:
         if value is None or value == "":
             return None
@@ -83,10 +106,6 @@ class Voucher(VoucherIn):
             return value
         return datetime.strptime(value, "%d-%b-%Y %H:%M")
 
-    @validator("reconcile_date", pre=True)
-    def parse_reconcile_date(cls, value: None | date | str) -> date | None:
-        if value is None or value == "":
-            return None
-        if isinstance(value, date):
-            return value
-        return datetime.strptime(value, "%d-%b-%Y").date()
+    @field_serializer("last_edit_date")
+    def serialize_last_edit_date(self, value: datetime, info: FieldSerializationInfo) -> str:
+        return value.strftime("%d-%b-%Y %H:%M")
diff --git a/brewman/pyproject.toml b/brewman/pyproject.toml
index 751adf13..42d33544 100644
--- a/brewman/pyproject.toml
+++ b/brewman/pyproject.toml
@@ -7,31 +7,41 @@ authors = ["tanshu <git@tanshu.com>"]
 [tool.poetry.dependencies]
 python = "^3.11"
 uvicorn = {extras = ["standard"], version = "^0.21.1"}
-fastapi = "^0.95.0"
+fastapi = {extras = ["all"], version = "^0.100.0"}
 python-jose = {extras = ["cryptography"], version = "^3.3.0"}
 passlib = {extras = ["bcrypt"], version = "^1.7.4"}
 psycopg2-binary = "^2.9.5"
 SQLAlchemy = "^2.0.7"
 python-multipart = "^0.0.6"
-PyJWT = "^2.6.0"
-alembic = "^1.10.2"
+PyJWT = "^2.8.0"
+alembic = "^1.11.1"
 itsdangerous = "^2.1.2"
 python-dotenv = "^1.0.0"
-pydantic = {extras = ["dotenv"], version = "^1.10.7"}
-starlette = "^0.26.1"
+pydantic = {extras = ["dotenv"], version = "^2.0.3"}
+starlette = "^0.27.0"
+pandas = "^2.0.0"
+arq = "^0.25.0"
 openpyxl = "^3.1.2"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 flake8 = "^6.0.0"
-black = "^23.1.0"
+black = "^23.7.0"
 isort = {extras = ["toml"], version = "^5.12.0"}
-pre-commit = "^3.2.0"
-mypy = "^1.1.1"
+pre-commit = "^3.3.3"
+mypy = "^1.4.1"
+types-python-jose = "^3.3.4.8"
+ruff = "^0.0.280"
+bandit = "^1.7.5"
+safety = "^2.3.5"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
 
+[tool.ruff]
+line-length = 120
+# Assume Python 3.11.
+target-version = "py311"
 
 [tool.mypy]
 # --strict
diff --git a/lint.sh b/lint.sh
index 1a7513dd..aae756d0 100755
--- a/lint.sh
+++ b/lint.sh
@@ -11,3 +11,8 @@ cd "$parent_path/brewman" || exit
 isort brewman
 black brewman
 flake8 brewman
+
+# ruff check .                        # Lint all files in the current directory (and any subdirectories)
+# bandit --recursive brewman
+# bandit --recursive .
+# safety check
\ No newline at end of file