Add telegram bot

backend/app/api/v1/users.py

@@ -106,3 +106,22 @@ async def link_telegram(
     await db.commit()
 
     return MessageResponse(message="Telegram account linked successfully")
+
+
+@router.post("/me/telegram/unlink", response_model=MessageResponse)
+async def unlink_telegram(
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    if not current_user.telegram_id:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Telegram account is not linked",
+        )
+
+    current_user.telegram_id = None
+    current_user.telegram_username = None
+
+    await db.commit()
+
+    return MessageResponse(message="Telegram account unlinked successfully")