diff --git a/litellm/proxy/auth/user_api_key_auth.py b/litellm/proxy/auth/user_api_key_auth.py
index 1f127e370b..c0b92deb08 100644
--- a/litellm/proxy/auth/user_api_key_auth.py
+++ b/litellm/proxy/auth/user_api_key_auth.py
@@ -732,7 +732,7 @@ async def user_api_key_auth(  # noqa: PLR0915
             )
 
         if is_master_key_valid:
-            _user_api_key_obj = _return_user_api_key_auth_obj(
+            _user_api_key_obj = await _return_user_api_key_auth_obj(
                 user_obj=None,
                 user_role=LitellmUserRoles.PROXY_ADMIN,
                 api_key=master_key,
@@ -1177,7 +1177,7 @@ async def user_api_key_auth(  # noqa: PLR0915
             # No token was found when looking up in the DB
             raise Exception("Invalid proxy server token passed")
         if valid_token_dict is not None:
-            return _return_user_api_key_auth_obj(
+            return await _return_user_api_key_auth_obj(
                 user_obj=user_obj,
                 api_key=api_key,
                 parent_otel_span=parent_otel_span,
@@ -1240,7 +1240,7 @@ async def user_api_key_auth(  # noqa: PLR0915
         )
 
 
-def _return_user_api_key_auth_obj(
+async def _return_user_api_key_auth_obj(
     user_obj: Optional[LiteLLM_UserTable],
     api_key: str,
     parent_otel_span: Optional[Span],
@@ -1250,14 +1250,18 @@ def _return_user_api_key_auth_obj(
     user_role: Optional[LitellmUserRoles] = None,
 ) -> UserAPIKeyAuth:
     end_time = datetime.now()
-    user_api_key_service_logger_obj.service_success_hook(
-        service=ServiceTypes.AUTH,
-        call_type=route,
-        start_time=start_time,
-        end_time=end_time,
-        duration=end_time.timestamp() - start_time.timestamp(),
-        parent_otel_span=parent_otel_span,
+
+    asyncio.create_task(
+        user_api_key_service_logger_obj.async_service_success_hook(
+            service=ServiceTypes.AUTH,
+            call_type=route,
+            start_time=start_time,
+            end_time=end_time,
+            duration=end_time.timestamp() - start_time.timestamp(),
+            parent_otel_span=parent_otel_span,
+        )
     )
+
     retrieved_user_role = (
         user_role or _get_user_role(user_obj=user_obj) or LitellmUserRoles.INTERNAL_USER
     )
diff --git a/tests/proxy_unit_tests/test_user_api_key_auth.py b/tests/proxy_unit_tests/test_user_api_key_auth.py
index a5bc06db62..7940679cdb 100644
--- a/tests/proxy_unit_tests/test_user_api_key_auth.py
+++ b/tests/proxy_unit_tests/test_user_api_key_auth.py
@@ -141,12 +141,13 @@ async def test_check_blocked_team():
         ("proxy_admin_viewer", "proxy_admin_viewer"),
     ],
 )
-def test_returned_user_api_key_auth(user_role, expected_role):
+@pytest.mark.asyncio
+async def test_returned_user_api_key_auth(user_role, expected_role):
     from litellm.proxy._types import LiteLLM_UserTable, LitellmUserRoles
     from litellm.proxy.auth.user_api_key_auth import _return_user_api_key_auth_obj
     from datetime import datetime
 
-    new_obj = _return_user_api_key_auth_obj(
+    new_obj = await _return_user_api_key_auth_obj(
         user_obj=LiteLLM_UserTable(
             user_role=user_role, user_id="", max_budget=None, user_email=""
         ),