diff --git a/README.md b/README.md
index b277b8c..eeb2ee6 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ DocFlow is a powerful Document Management API designed to streamline document ha
 
 ## 😎 Upcoming Updates
 
-- 🟨 Document Interactions - Adding Comments and Tags
+- 🟨 Document Interactions - Adding Comments
 - 🟨 Import documents from unread emails
 - 🟨 Video Preview
 - 🟨 Adding custom metadata fields to document
diff --git a/app/api/router.py b/app/api/router.py
index 24e12b7..02166b6 100644
--- a/app/api/router.py
+++ b/app/api/router.py
@@ -1,6 +1,7 @@
 from fastapi import APIRouter
 
 from app.api.routes.auth.auth import router as auth_router
+from app.api.routes.documents.comments import router as document_comment
 from app.api.routes.documents.documents_metadata import (
     router as documents_metadata_router,
 )
@@ -15,6 +16,7 @@
 
 router.include_router(auth_router, prefix="/u")
 router.include_router(documents_router, prefix="")
+router.include_router(document_comment, prefix="/comments")
 router.include_router(notify_router, prefix="/notifications")
 router.include_router(documents_metadata_router, prefix="/metadata")
 router.include_router(document_organization_router, prefix="/filter")
diff --git a/app/api/routes/documents/comments.py b/app/api/routes/documents/comments.py
new file mode 100644
index 0000000..3bb0686
--- /dev/null
+++ b/app/api/routes/documents/comments.py
@@ -0,0 +1,67 @@
+from typing import List
+from uuid import UUID
+
+from fastapi import APIRouter, status, Depends
+
+from app.api.dependencies.auth_utils import get_current_user
+from app.api.dependencies.repositories import get_repository
+from app.db.repositories.documents.comments import CommentRepository
+from app.db.repositories.documents.documents import DocumentRepository
+from app.schemas.auth.bands import TokenData
+from app.schemas.documents.comments import CommentRead, CommentCreate, CommentUpdate
+
+router = APIRouter(tags=["Comments"])
+
+
+@router.post(
+    "/",
+    response_model=CommentRead,
+    status_code=status.HTTP_201_CREATED,
+    name="create_comment",
+)
+async def create_comment(
+    comment: CommentCreate,
+    user: TokenData = Depends(get_current_user),
+    doc_repo: DocumentRepository = Depends(get_repository(DocumentRepository)),
+    repository: CommentRepository = Depends(get_repository(CommentRepository)),
+) -> CommentRead: ...
+
+
+@router.get(
+    "/{doc_id}",
+    response_model=List[CommentRead],
+    status_code=status.HTTP_200_OK,
+    name="get_comments",
+)
+async def get_document_comments(
+    doc_id: UUID,
+    user: TokenData = Depends(get_current_user),
+    doc_repo: DocumentRepository = Depends(get_repository(DocumentRepository)),
+    repository: CommentRepository = Depends(get_repository(CommentRepository)),
+) -> List[CommentRead]: ...
+
+
+@router.put(
+    "/{comment_id}",
+    response_model=CommentRead,
+    status_code=status.HTTP_200_OK,
+    name="update_comment",
+)
+async def update_comment(
+    comment_id: UUID,
+    comment_update: CommentUpdate,
+    user: TokenData = Depends(get_current_user),
+    repository: CommentRepository = Depends(get_repository(CommentRepository)),
+) -> CommentRead: ...
+
+
+@router.delete(
+    "/{comment_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    name="delete_comment",
+)
+async def delete_comment(
+    comment_id: UUID,
+    user: TokenData = Depends(get_current_user),
+    repository: CommentRepository = Depends(get_repository(CommentRepository)),
+) -> None: ...
diff --git a/app/db/repositories/documents/comments.py b/app/db/repositories/documents/comments.py
new file mode 100644
index 0000000..648866f
--- /dev/null
+++ b/app/db/repositories/documents/comments.py
@@ -0,0 +1,28 @@
+from typing import Optional, List
+from uuid import UUID
+
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.db.tables.documents.documents_metadata import DocumentComment
+from app.schemas.documents.comments import CommentCreate, CommentUpdate
+
+
+class CommentRepository:
+    def __init__(self, session: AsyncSession):
+        self.session = session
+
+    async def create(
+        self, comment: CommentCreate, author_id: str
+    ) -> DocumentComment: ...
+
+    async def get(self, comment_id: UUID) -> Optional[DocumentComment]: ...
+
+    async def get_document_comments(self, doc_id: UUID) -> List[DocumentComment]: ...
+
+    async def update(
+        self, comment_id: UUID, comment_update: CommentUpdate
+    ) -> Optional[DocumentComment]: ...
+
+    async def delete(self, comment_id: UUID) -> bool: ...
+
+    async def user_can_modify(self, comment_id: UUID, user_id: str) -> bool: ...
diff --git a/app/db/tables/auth/auth.py b/app/db/tables/auth/auth.py
index 503e17d..e6aac01 100644
--- a/app/db/tables/auth/auth.py
+++ b/app/db/tables/auth/auth.py
@@ -25,3 +25,4 @@ class User(Base):
     )
 
     owner_of = relationship("DocumentMetadata", back_populates="owner")
+    comments = relationship("DocumentComment", back_populates="author")
diff --git a/app/db/tables/documents/documents_metadata.py b/app/db/tables/documents/documents_metadata.py
index 5d454b2..eab22ed 100644
--- a/app/db/tables/documents/documents_metadata.py
+++ b/app/db/tables/documents/documents_metadata.py
@@ -1,7 +1,7 @@
 from datetime import datetime, timezone
 from uuid import uuid4
 
-from typing import List, Optional
+from typing import List, Optional, Text
 from sqlalchemy import (
     Column,
     String,
@@ -61,3 +61,35 @@ class DocumentMetadata(Base):
         "User", secondary=doc_user_access, passive_deletes=True
     )
     owner = relationship("User", back_populates="owner_of")
+    comments = relationship(
+        "DocumentComment", back_populates="document", cascade="all, delete-orphan"
+    )
+
+
+class DocumentComment(Base):
+    __tablename__ = "document_comments"
+
+    id: UUID = Column(
+        UUID(as_uuid=True), default=uuid4, primary_key=True, index=True, nullable=False
+    )
+    doc_id: UUID = Column(
+        UUID(as_uuid=True), ForeignKey("document_metadata.id", ondelete="CASCADE")
+    )
+    author_id: str = Column(String, ForeignKey("users.id"), nullable=False)
+    comment: str = Column(Text, nullable=False)
+    created_at = Column(
+        DateTime(timezone=True),
+        default=datetime.now(timezone.utc),
+        nullable=False,
+        server_default=text("NOW()"),
+    )
+    updated_at = Column(
+        DateTime(timezone=True),
+        default=datetime.now(timezone.utc),
+        onupdate=datetime.now(timezone.utc),
+        nullable=False,
+        server_default=text("NOW()"),
+    )
+
+    document = relationship("DocumentMetadata", back_populates="comments")
+    author = relationship("User", back_populates="comments")
diff --git a/app/schemas/documents/bands.py b/app/schemas/documents/bands.py
index 2ff7623..b3f8af3 100644
--- a/app/schemas/documents/bands.py
+++ b/app/schemas/documents/bands.py
@@ -67,3 +67,8 @@ class Notification(BaseModel):
 class NotifyPatchStatus(BaseModel):
     status: NotifyEnum = NotifyEnum.unread
     mark_all: bool = False
+
+
+# comments
+class CommentBase(BaseModel):
+    comment: str
diff --git a/app/schemas/documents/comments.py b/app/schemas/documents/comments.py
new file mode 100644
index 0000000..bf77b0d
--- /dev/null
+++ b/app/schemas/documents/comments.py
@@ -0,0 +1,22 @@
+from datetime import datetime
+from uuid import UUID
+
+from app.schemas.documents.bands import CommentBase
+
+
+class CommentCreate(CommentBase):
+    doc_id: UUID
+
+
+class CommentUpdate(CommentBase): ...
+
+
+class CommentRead(CommentBase):
+    id: UUID
+    doc_id: UUID
+    author_id: str
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attribute = True
diff --git a/migrations/env.py b/migrations/env.py
index fb4cffa..138e890 100644
--- a/migrations/env.py
+++ b/migrations/env.py
@@ -8,7 +8,7 @@
 from app.db.models import Base
 
 from app.core.config import settings
-from app.db.tables.documents.documents_metadata import DocumentMetadata
+from app.db.tables.documents.documents_metadata import DocumentMetadata, DocumentComment
 from app.db.tables.auth.auth import User
 from app.db.tables.documents.document_sharing import DocumentSharing
 from app.db.tables.documents.notify import Notify
diff --git a/migrations/versions/2a02384ab925_initial_almebic.py b/migrations/versions/2a02384ab925_initial_almebic.py
index f23c173..efb3239 100644
--- a/migrations/versions/2a02384ab925_initial_almebic.py
+++ b/migrations/versions/2a02384ab925_initial_almebic.py
@@ -21,6 +21,7 @@
 
 def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
+
     op.create_table(
         "notify",
         sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False),
diff --git a/migrations/versions/cb2ea87be0bd_document_comments.py b/migrations/versions/cb2ea87be0bd_document_comments.py
new file mode 100644
index 0000000..f117039
--- /dev/null
+++ b/migrations/versions/cb2ea87be0bd_document_comments.py
@@ -0,0 +1,64 @@
+"""document comments
+
+Revision ID: cb2ea87be0bd
+Revises: 2a02384ab925
+Create Date: 2024-12-15 01:24:30.954923
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = "cb2ea87be0bd"
+down_revision: Union[str, None] = "2a02384ab925"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "document_comments",
+        sa.Column("id", sa.UUID(), nullable=False),
+        sa.Column("doc_id", sa.UUID(), nullable=True),
+        sa.Column("author_id", sa.String(), nullable=False),
+        sa.Column("comment", sa.Text(), nullable=False),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("NOW()"),
+            nullable=False,
+        ),
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("NOW()"),
+            nullable=False,
+        ),
+        sa.ForeignKeyConstraint(
+            ["author_id"],
+            ["users.id"],
+        ),
+        sa.ForeignKeyConstraint(
+            ["doc_id"], ["document_metadata.id"], ondelete="CASCADE"
+        ),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index(
+        op.f("ix_document_comments_id"), "document_comments", ["id"], unique=False
+    )
+    op.drop_index("ix_notify_id", table_name="notify")
+    op.create_unique_constraint(None, "share_url", ["url_id"])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, "share_url", type_="unique")
+    op.drop_index(op.f("ix_document_comments_id"), table_name="document_comments")
+    op.drop_table("document_comments")
+    # ### end Alembic commands ###