diff --git a/migrations/versions/938218f911e8_.py b/migrations/versions/938218f911e8_.py
new file mode 100644
index 0000000..c741f9a
--- /dev/null
+++ b/migrations/versions/938218f911e8_.py
@@ -0,0 +1,108 @@
+"""empty message
+
+Revision ID: 938218f911e8
+Revises: 
+Create Date: 2022-07-12 06:31:18.835124
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '938218f911e8'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('access_keys',
+    sa.Column('key', sa.String(length=64), nullable=False),
+    sa.Column('clientId', sa.String(length=64), nullable=False),
+    sa.Column('clientIP', sa.String(length=46), nullable=False),
+    sa.Column('userAgent', sa.String(length=255), nullable=False),
+    sa.Column('suspended', sa.Boolean(), nullable=False),
+    sa.Column('revoked', sa.Boolean(), nullable=False),
+    sa.Column('createdAt', sa.DateTime(), nullable=True),
+    sa.Column('suspendedAt', sa.DateTime(), nullable=True),
+    sa.Column('revokedAt', sa.DateTime(), nullable=True),
+    sa.Column('restoredAt', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('key')
+    )
+    op.create_table('access_tokens',
+    sa.Column('token', sa.String(length=64), nullable=False),
+    sa.Column('clientIP', sa.String(length=46), nullable=False),
+    sa.Column('userAgent', sa.String(length=255), nullable=False),
+    sa.Column('expired', sa.Boolean(), nullable=False),
+    sa.Column('revoked', sa.Boolean(), nullable=False),
+    sa.Column('issuedAt', sa.DateTime(), nullable=True),
+    sa.Column('expiresAt', sa.DateTime(), nullable=True),
+    sa.Column('revokedAt', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('token')
+    )
+    op.create_table('lists',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('accessKey', sa.String(length=64), nullable=True),
+    sa.Column('name', sa.String(length=128), nullable=False),
+    sa.Column('notes', sa.String(), nullable=True),
+    sa.Column('createdAt', sa.DateTime(), nullable=True),
+    sa.Column('modifiedAt', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('products',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('accessKey', sa.String(length=64), nullable=True),
+    sa.Column('name', sa.String(length=128), nullable=False),
+    sa.Column('category', sa.String(length=128), nullable=False),
+    sa.Column('notes', sa.String(), nullable=True),
+    sa.Column('createdAt', sa.DateTime(), nullable=True),
+    sa.Column('modifiedAt', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_products_category'), 'products', ['category'], unique=False)
+    op.create_table('sigl_config',
+    sa.Column('key', sa.String(), nullable=False),
+    sa.Column('value', sa.String(length=128), nullable=True),
+    sa.PrimaryKeyConstraint('key')
+    )
+    op.create_table('list_entries',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('list_id', sa.Integer(), nullable=False),
+    sa.Column('product_id', sa.Integer(), nullable=False),
+    sa.Column('quantity', sa.String(length=128), nullable=True),
+    sa.Column('crossedOff', sa.Boolean(), nullable=True),
+    sa.Column('deleted', sa.Boolean(), nullable=True),
+    sa.Column('notes', sa.String(), nullable=True),
+    sa.Column('createdAt', sa.DateTime(), nullable=True),
+    sa.Column('modifiedAt', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['list_id'], ['lists.id'], ),
+    sa.ForeignKeyConstraint(['product_id'], ['products.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('product_locations',
+    sa.Column('product_id', sa.Integer(), nullable=False),
+    sa.Column('store', sa.String(length=128), nullable=False),
+    sa.Column('aisle', sa.String(length=64), nullable=False),
+    sa.Column('bin', sa.String(length=64), nullable=True),
+    sa.Column('notes', sa.String(), nullable=True),
+    sa.Column('createdAt', sa.DateTime(), nullable=True),
+    sa.Column('modifiedAt', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['product_id'], ['products.id'], ),
+    sa.PrimaryKeyConstraint('product_id', 'store')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('product_locations')
+    op.drop_table('list_entries')
+    op.drop_table('sigl_config')
+    op.drop_index(op.f('ix_products_category'), table_name='products')
+    op.drop_table('products')
+    op.drop_table('lists')
+    op.drop_table('access_tokens')
+    op.drop_table('access_keys')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/b3639db87e06_.py b/migrations/versions/b3639db87e06_.py
deleted file mode 100644
index 9b99bdd..0000000
--- a/migrations/versions/b3639db87e06_.py
+++ /dev/null
@@ -1,56 +0,0 @@
-"""empty message
-
-Revision ID: b3639db87e06
-Revises: 
-Create Date: 2022-07-11 17:09:20.502213
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = 'b3639db87e06'
-down_revision = None
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('products',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(length=128), nullable=False),
-    sa.Column('category', sa.String(length=128), nullable=False),
-    sa.Column('notes', sa.String(), nullable=True),
-    sa.Column('created_at', sa.DateTime(), nullable=True),
-    sa.Column('modified_at', sa.DateTime(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_products_category'), 'products', ['category'], unique=False)
-    op.create_table('sigl_config',
-    sa.Column('key', sa.String(), nullable=False),
-    sa.Column('value', sa.String(length=128), nullable=True),
-    sa.PrimaryKeyConstraint('key')
-    )
-    op.create_table('product_locations',
-    sa.Column('product_id', sa.Integer(), nullable=False),
-    sa.Column('store', sa.String(length=128), nullable=False),
-    sa.Column('aisle', sa.String(length=64), nullable=False),
-    sa.Column('bin', sa.String(length=64), nullable=True),
-    sa.Column('notes', sa.String(), nullable=True),
-    sa.Column('created_at', sa.DateTime(), nullable=True),
-    sa.Column('modified_at', sa.DateTime(), nullable=True),
-    sa.ForeignKeyConstraint(['product_id'], ['products.id'], ),
-    sa.PrimaryKeyConstraint('product_id', 'store')
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('product_locations')
-    op.drop_table('sigl_config')
-    op.drop_index(op.f('ix_products_category'), table_name='products')
-    op.drop_table('products')
-    # ### end Alembic commands ###
diff --git a/sigl/database/tables.py b/sigl/database/tables.py
index e0fdf0d..a5493c2 100644
--- a/sigl/database/tables.py
+++ b/sigl/database/tables.py
@@ -15,6 +15,91 @@ sigl_config = db.Table(
     db.Column('value', db.String(128)),
 )
 
+#: Access Key Table
+access_keys = db.Table(
+    'access_keys',
+
+    # Primary Key
+    db.Column('key', db.String(64), primary_key=True),
+
+    # Client Attributes
+    db.Column('clientId', db.String(64), nullable=False),
+    db.Column('clientIP', db.String(46), nullable=False),
+    db.Column('userAgent', db.String(255), nullable=False),
+
+    # Key Validity
+    db.Column('suspended', db.Boolean, nullable=False, default=False),
+    db.Column('revoked', db.Boolean, nullable=False, default=False),
+
+    # Timestamps
+    db.Column('createdAt', db.DateTime(), default=None),
+    db.Column('suspendedAt', db.DateTime(), default=None),
+    db.Column('revokedAt', db.DateTime(), default=None),
+    db.Column('restoredAt', db.DateTime(), default=None),
+)
+
+#: Access Token Table
+access_tokens = db.Table(
+    'access_tokens',
+
+    # Primary Key
+    db.Column('token', db.String(64), primary_key=True),
+
+    # Client Attributes
+    db.Column('clientIP', db.String(46), nullable=False),
+    db.Column('userAgent', db.String(255), nullable=False),
+
+    # Key Validity
+    db.Column('expired', db.Boolean, nullable=False, default=False),
+    db.Column('revoked', db.Boolean, nullable=False, default=False),
+
+    # Timestamps
+    db.Column('issuedAt', db.DateTime(), default=None),
+    db.Column('expiresAt', db.DateTime(), default=None),
+    db.Column('revokedAt', db.DateTime(), default=None),
+)
+
+#: Shopping List Table
+lists = db.Table(
+    'lists',
+
+    # Primary Key
+    db.Column('id', db.Integer, primary_key=True),
+
+    # Access Key
+    db.Column('accessKey', db.String(64), default=None),
+
+    # List Attributes
+    db.Column('name', db.String(128), nullable=False),
+
+    # Mixin Columns
+    db.Column('notes', db.String(), default=None),
+    db.Column('createdAt', db.DateTime(), default=None),
+    db.Column('modifiedAt', db.DateTime(), default=None),
+)
+
+#: List Entry Table
+list_entries = db.Table(
+    'list_entries',
+
+    # Primary Key
+    db.Column('id', db.Integer, primary_key=True),
+
+    # Shopping List and Product Link
+    db.Column('list_id', db.ForeignKey('lists.id'), nullable=False),
+    db.Column('product_id', db.ForeignKey('products.id'), nullable=False),
+
+    # Entry Attributes
+    db.Column('quantity', db.String(128), default=None),
+    db.Column('crossedOff', db.Boolean, default=False),
+    db.Column('deleted', db.Boolean, default=False),
+
+    # Mixin Columns
+    db.Column('notes', db.String(), default=None),
+    db.Column('createdAt', db.DateTime(), default=None),
+    db.Column('modifiedAt', db.DateTime(), default=None),
+)
+
 #: Product Table
 products = db.Table(
     'products',
@@ -22,14 +107,17 @@ products = db.Table(
     # Primary Key
     db.Column('id', db.Integer, primary_key=True),
 
+    # Access Key
+    db.Column('accessKey', db.String(64), default=None),
+
     # Product Attributes
     db.Column('name', db.String(128), nullable=False),
     db.Column('category', db.String(128), nullable=False, index=True),
 
     # Mixin Columns
     db.Column('notes', db.String(), default=None),
-    db.Column('created_at', db.DateTime(), default=None),
-    db.Column('modified_at', db.DateTime(), default=None),
+    db.Column('createdAt', db.DateTime(), default=None),
+    db.Column('modifiedAt', db.DateTime(), default=None),
 )
 
 #: Product Location Table
@@ -51,6 +139,6 @@ product_locations = db.Table(
 
     # Mixin Columns
     db.Column('notes', db.String(), default=None),
-    db.Column('created_at', db.DateTime(), default=None),
-    db.Column('modified_at', db.DateTime(), default=None),
+    db.Column('createdAt', db.DateTime(), default=None),
+    db.Column('modifiedAt', db.DateTime(), default=None),
 )
diff --git a/sigl/domain/models/accessKey.py b/sigl/domain/models/accessKey.py
new file mode 100644
index 0000000..144c3e5
--- /dev/null
+++ b/sigl/domain/models/accessKey.py
@@ -0,0 +1,67 @@
+"""Sigl Access Key Model.
+
+Simple Grocery List (Sigl) | sigl.app
+Copyright (c) 2022 Asymworks, LLC.  All Rights Reserved.
+"""
+
+from dataclasses import dataclass
+from datetime import datetime
+
+__all__ = ('AccessKey', 'AccessToken')
+
+
+@dataclass
+class AccessKey:
+    """Sigl Access Key Class.
+    
+    The Access Key represents a client or group of clients authorized to
+    interact with their specific Sigl shopping lists and products. Access Keys
+    are generally not revoked or deleted and remain for the lifetime of the
+    server.
+
+    When an Access Key is created, client details including the IP address and
+    User Agent string are logged for future auditing purposes. The IP address
+    may also be used for throttling.
+    """
+    key: str = None
+    clientId: str = None
+    clientIP: str = None
+    userAgent: str = None
+
+    # Key Suspension/Revocation
+    suspended: bool = False
+    revoked: bool = False
+
+    # Timestamps
+    createdAt: datetime = datetime.utcnow()
+    suspendedAt: datetime = None
+    revokedAt: datetime = None
+    restoredAt: datetime = None
+
+
+@dataclass
+class AccessToken:
+    """Sigl Access Token Class.
+    
+    The Access Token represents authorization for a client (identified by an
+    Access Key) to interact with the Sigl server. The token string, issue time,
+    and expiry time must match the client-provided JWT for access to be granted.
+    Access Tokens are short-lived tokens expected to expire or be revoked, and
+    new tokens requested by the client.
+
+    When an Access Key is created, client details including the IP address and
+    User Agent string are logged for future auditing purposes.
+    """
+    token: str = None
+    accessKey: str = None
+    clientIP: str = None
+    userAgent: str = None
+
+    # Key Suspension/Revocation
+    expired: bool = False
+    revoked: bool = False
+
+    # Timestamps
+    issuedAt: datetime = datetime.utcnow()
+    expiresAt: datetime = None
+    revokedAt: datetime = None
diff --git a/sigl/domain/models/list.py b/sigl/domain/models/list.py
new file mode 100644
index 0000000..0b52e55
--- /dev/null
+++ b/sigl/domain/models/list.py
@@ -0,0 +1,44 @@
+"""Sigl Shopping List Domain Model.
+
+Simple Grocery List (Sigl) | sigl.app
+Copyright (c) 2022 Asymworks, LLC.  All Rights Reserved.
+"""
+
+from dataclasses import dataclass
+from typing import List
+
+from .mixins import NotesMixin, TimestampMixin
+from .product import Product
+
+__all__ = ('ShoppingList', 'ListEntry')
+
+
+@dataclass
+class ListEntry(NotesMixin, TimestampMixin):
+    """Information about a Product on a Shopping List.
+
+    This class contains information about a Product that is on a shopping
+    list, including the quantity to be purchased, notes about the entry, and
+    whether the Product has been crossed off the list or deleted.
+    """
+    quantity: str = None
+    crossedOff: bool = False
+    deleted: bool = False
+
+    # Relationship Fields
+    shoppingList: 'ShoppingList' = None
+    product: Product = None
+
+
+@dataclass
+class ShoppingList(NotesMixin, TimestampMixin):
+    """Top-Level Shopping List.
+
+    Contains a collection of `ListEntry` items which are intended to be
+    purchased.
+    """
+    accessKey: str = None
+    name: str = None
+
+    # Populated by ORM
+    # entries: List[ListEntry] = None
diff --git a/sigl/domain/models/mixins.py b/sigl/domain/models/mixins.py
index 89d54e5..ce55715 100644
--- a/sigl/domain/models/mixins.py
+++ b/sigl/domain/models/mixins.py
@@ -34,8 +34,8 @@ class TimestampMixin:
         Adds a ``modified_at`` column to the database object with type
         :py:class:`datetime.datetime`
     '''
-    created_at: datetime = datetime.utcnow()
-    modified_at: datetime = None
+    createdAt: datetime = datetime.utcnow()
+    modifiedAt: datetime = None
 
     def set_modified_at(self):
-        self.modified_at = datetime.utcnow()
+        self.modifiedAt = datetime.utcnow()
diff --git a/sigl/domain/models/product.py b/sigl/domain/models/product.py
index 78e0643..8b716cf 100644
--- a/sigl/domain/models/product.py
+++ b/sigl/domain/models/product.py
@@ -23,6 +23,9 @@ class Product(NotesMixin, TimestampMixin):
     name: str = None
     category: str = None
 
+    # Access Control
+    accessKey: str = None
+
     # Populated by ORM
     # locations: List['ProductLocation'] = []