diff --git a/litellm/proxy/route_llm_request.py b/litellm/proxy/route_llm_request.py
index 27555598c..90fd09a4a 100644
--- a/litellm/proxy/route_llm_request.py
+++ b/litellm/proxy/route_llm_request.py
@@ -25,6 +25,17 @@ else:
     LitellmRouter = Any
 
 
+ROUTE_ENDPOINT_MAPPING = {
+    "acompletion": "/chat/completions",
+    "atext_completion": "/completions",
+    "aembedding": "/embeddings",
+    "aimage_generation": "/image/generations",
+    "aspeech": "/audio/speech",
+    "atranscription": "/audio/transcriptions",
+    "amoderation": "/moderations",
+}
+
+
 async def route_request(
     data: dict,
     llm_router: Optional[LitellmRouter],
@@ -94,10 +105,12 @@ async def route_request(
     elif user_model is not None:
         return getattr(litellm, f"{route_type}")(**data)
 
+    # if no route found then it's a bad request
+    route_name = ROUTE_ENDPOINT_MAPPING.get(route_type, route_type)
     raise HTTPException(
         status_code=status.HTTP_400_BAD_REQUEST,
         detail={
-            "error": f"{route_type}: Invalid model name passed in model="
+            "error": f"{route_name}: Invalid model name passed in model="
             + data.get("model", "")
         },
     )
diff --git a/litellm/tests/test_proxy_exception_mapping.py b/litellm/tests/test_proxy_exception_mapping.py
index a774d1b0e..89b4cd926 100644
--- a/litellm/tests/test_proxy_exception_mapping.py
+++ b/litellm/tests/test_proxy_exception_mapping.py
@@ -229,8 +229,9 @@ def test_chat_completion_exception_any_model(client):
         )
         assert isinstance(openai_exception, openai.BadRequestError)
         _error_message = openai_exception.message
-        assert "chat_completion: Invalid model name passed in model=Lite-GPT-12" in str(
-            _error_message
+        assert (
+            "/chat/completions: Invalid model name passed in model=Lite-GPT-12"
+            in str(_error_message)
         )
 
     except Exception as e:
@@ -259,7 +260,7 @@ def test_embedding_exception_any_model(client):
         print("Exception raised=", openai_exception)
         assert isinstance(openai_exception, openai.BadRequestError)
         _error_message = openai_exception.message
-        assert "embeddings: Invalid model name passed in model=Lite-GPT-12" in str(
+        assert "/embeddings: Invalid model name passed in model=Lite-GPT-12" in str(
             _error_message
         )