diff --git a/api/kiwi_vpn_api/routers/_common.py b/api/kiwi_vpn_api/routers/_common.py
index fc8035c..3b76e30 100644
--- a/api/kiwi_vpn_api/routers/_common.py
+++ b/api/kiwi_vpn_api/routers/_common.py
@@ -39,6 +39,10 @@ class Responses:
         "description": "Operation not permitted",
         "content": None,
     }
+    ENTRY_ADDED = {
+        "description": "Entry added to database",
+        "content": None,
+    }
     ENTRY_EXISTS = {
         "description": "Entry exists in database",
         "content": None,
diff --git a/api/kiwi_vpn_api/routers/device.py b/api/kiwi_vpn_api/routers/device.py
index 4ec8876..44cc144 100644
--- a/api/kiwi_vpn_api/routers/device.py
+++ b/api/kiwi_vpn_api/routers/device.py
@@ -14,7 +14,7 @@ router = APIRouter(prefix="/device", tags=["device"])
 @router.post(
     "/{user_name}",
     responses={
-        status.HTTP_200_OK: Responses.OK,
+        status.HTTP_201_CREATED: Responses.ENTRY_ADDED,
         status.HTTP_400_BAD_REQUEST: Responses.NOT_INSTALLED,
         status.HTTP_401_UNAUTHORIZED: Responses.NEEDS_USER,
         status.HTTP_403_FORBIDDEN: Responses.NEEDS_PERMISSION,
@@ -22,6 +22,7 @@ router = APIRouter(prefix="/device", tags=["device"])
         status.HTTP_409_CONFLICT: Responses.ENTRY_EXISTS,
     },
     response_model=DeviceRead,
+    status_code=status.HTTP_201_CREATED,
 )
 async def add_device(
     device: DeviceCreate,
diff --git a/api/kiwi_vpn_api/routers/user.py b/api/kiwi_vpn_api/routers/user.py
index 758d782..df22934 100644
--- a/api/kiwi_vpn_api/routers/user.py
+++ b/api/kiwi_vpn_api/routers/user.py
@@ -63,13 +63,14 @@ async def get_current_user_route(
 @router.post(
     "",
     responses={
-        status.HTTP_200_OK: Responses.OK,
+        status.HTTP_201_CREATED: Responses.ENTRY_ADDED,
         status.HTTP_400_BAD_REQUEST: Responses.NOT_INSTALLED,
         status.HTTP_401_UNAUTHORIZED: Responses.NEEDS_USER,
         status.HTTP_403_FORBIDDEN: Responses.NEEDS_PERMISSION,
         status.HTTP_409_CONFLICT: Responses.ENTRY_EXISTS,
     },
     response_model=UserRead,
+    status_code=status.HTTP_201_CREATED,
 )
 async def add_user(
     user: UserCreate,
@@ -127,11 +128,12 @@ async def remove_user(
 @router.post(
     "/{user_name}/tags",
     responses={
-        status.HTTP_200_OK: Responses.OK,
+        status.HTTP_201_CREATED: Responses.ENTRY_ADDED,
         status.HTTP_400_BAD_REQUEST: Responses.NOT_INSTALLED,
         status.HTTP_401_UNAUTHORIZED: Responses.NEEDS_USER,
         status.HTTP_403_FORBIDDEN: Responses.NEEDS_PERMISSION,
     },
+    status_code=status.HTTP_201_CREATED,
 )
 async def extend_tags(
     tags: list[TagValue],