diff --git a/models/client.py b/models/client.py
index 7b54fb3..15e606d 100644
--- a/models/client.py
+++ b/models/client.py
@@ -1,5 +1,5 @@
 from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, BigInteger
-from sqlalchemy.orm import relationship, backref
+from sqlalchemy.orm import relationship
 
 from models import BaseModel
 
@@ -12,6 +12,8 @@ class Client(BaseModel):
 
     products = relationship('Product', back_populates='client')
 
+    details = relationship('ClientDetails', uselist=False, back_populates='client', cascade='all, delete')
+
 
 class ClientDetails(BaseModel):
     __tablename__ = 'client_details'
@@ -19,7 +21,7 @@ class ClientDetails(BaseModel):
     id = Column(Integer, autoincrement=True, primary_key=True, index=True)
 
     client_id = Column(Integer, ForeignKey('clients.id'), unique=True, nullable=False, comment='ID клиента')
-    client = relationship('Client', backref=backref('details', uselist=False))
+    client = relationship('Client', back_populates='details', cascade='all, delete', uselist=False)
 
     address = Column(String)
     phone_number = Column(String)
diff --git a/routers/client.py b/routers/client.py
index 5713c52..ac43a5b 100644
--- a/routers/client.py
+++ b/routers/client.py
@@ -5,8 +5,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from backend.session import get_session
 from models import User
-from schemas.client import ClientSearchRequest, ClientUpdateDetailsRequest, ClientUpdateDetailsResponse, \
-    ClientGetAllResponse
+from schemas.client import *
 from services.auth import get_current_user
 from services.client import ClientService
 
@@ -48,3 +47,41 @@ async def get_all_clients(
         session: Annotated[AsyncSession, Depends(get_session)],
 ):
     return await ClientService(session).get_all()
+
+
+@client_router.post(
+    '/create',
+    operation_id='create_client',
+    response_model=ClientCreateResponse
+)
+async def create_client(
+        request: ClientCreateRequest,
+        user: Annotated[User, Depends(get_current_user)],
+        session: Annotated[AsyncSession, Depends(get_session)]
+):
+    return await ClientService(session).create(request, user)
+
+
+@client_router.post(
+    '/update',
+    operation_id='update_client',
+    response_model=ClientUpdateResponse
+)
+async def update_client(
+        request: ClientUpdateRequest,
+        user: Annotated[User, Depends(get_current_user)],
+        session: Annotated[AsyncSession, Depends(get_session)]
+):
+    return await ClientService(session).update(request, user)
+
+
+@client_router.post(
+    '/delete',
+    operation_id='delete_client',
+    response_model=ClientDeleteResponse
+)
+async def delete_client(
+        request: ClientDeleteRequest,
+        session: Annotated[AsyncSession, Depends(get_session)]
+):
+    return await ClientService(session).delete(request)
diff --git a/schemas/client.py b/schemas/client.py
index 94ebdc4..18e00f5 100644
--- a/schemas/client.py
+++ b/schemas/client.py
@@ -1,6 +1,6 @@
 from typing import List
 
-from schemas.base import CustomModelCamel
+from schemas.base import CustomModelCamel, OkMessageSchema
 
 
 class ClientDetailsSchema(CustomModelCamel):
@@ -20,11 +20,6 @@ class ClientSearchRequest(CustomModelCamel):
     name: str
 
 
-class ClientCreateRequest(CustomModelCamel):
-    name: str
-    address: str
-
-
 class ClientSearchResponse(CustomModelCamel):
     clients: List[ClientSchema]
 
@@ -40,3 +35,27 @@ class ClientUpdateDetailsResponse(CustomModelCamel):
 
 class ClientGetAllResponse(CustomModelCamel):
     clients: List[ClientSchema]
+
+
+class ClientCreateResponse(OkMessageSchema):
+    pass
+
+
+class ClientCreateRequest(CustomModelCamel):
+    data: ClientSchema
+
+
+class ClientUpdateRequest(CustomModelCamel):
+    data: ClientSchema
+
+
+class ClientUpdateResponse(OkMessageSchema):
+    pass
+
+
+class ClientDeleteRequest(CustomModelCamel):
+    client_id: int
+
+
+class ClientDeleteResponse(OkMessageSchema):
+    pass
diff --git a/services/client.py b/services/client.py
index e096d72..0a9b630 100644
--- a/services/client.py
+++ b/services/client.py
@@ -72,3 +72,37 @@ class ClientService(BaseService):
         for client in query.all():
             clients.append(ClientSchema.model_validate(client))
         return ClientSearchResponse(clients=clients)
+
+    async def create(self, request: ClientCreateRequest, user: User) -> ClientCreateResponse:
+        try:
+            client = await self.get_by_name(request.data.name)
+            if client:
+                return ClientCreateResponse(ok=False, message='Client already exists')
+            await self.create_client_raw(user, request.data.name, request.data.details)
+            await self.session.commit()
+            return ClientCreateResponse(ok=True, message='Client created')
+        except Exception as e:
+            return ClientCreateResponse(ok=False, message=str(e))
+
+    async def update(self, request: ClientUpdateRequest, user: User) -> ClientUpdateResponse:
+        try:
+            client = await self.get_by_id(request.data.id)
+            if not client:
+                return ClientUpdateResponse(ok=False, message='Client not found')
+            await self.session.execute(update(Client).where(Client.id == client.id).values(name=request.data.name))
+            await self.update_details(user, client, request.data.details)
+            await self.session.commit()
+            return ClientUpdateResponse(ok=True, message='Client updated')
+        except Exception as e:
+            return ClientUpdateResponse(ok=False, message=str(e))
+
+    async def delete(self, request: ClientDeleteRequest) -> ClientDeleteResponse:
+        try:
+            client = await self.get_by_id(request.client_id)
+            if not client:
+                return ClientDeleteResponse(ok=False, message='Client not found')
+            await self.session.delete(client)
+            await self.session.commit()
+            return ClientDeleteResponse(ok=True, message='Client deleted')
+        except Exception as e:
+            return ClientDeleteResponse(ok=False, message=str(e))
diff --git a/test/ockho.py b/test/ockho.py
index 74b0018..a868159 100644
--- a/test/ockho.py
+++ b/test/ockho.py
@@ -1,9 +1,8 @@
-from typing import Annotated
+import string
 
 
-def get_v():
-    return 123
+def main():
+    pass
 
-
-ockho: Annotated[int, get_v]
-print(ockho)
+if __name__ == '__main__':
+    main()