diff --git a/Readme.md b/Readme.md
index 0b269aa..4b02dcf 100644
--- a/Readme.md
+++ b/Readme.md
@@ -136,6 +136,22 @@ uvicorn main:app --host 0.0.0.0 --port 8000
 
 Now, your LangChain models and pipelines are accessible via the LangCorn API server.
 
+With a router : 
+```python
+app = FastAPI()
+router = APIRouter()
+
+
+@app.get("/")
+def read_main():
+    return {"message": "Hello World from main app"}
+    
+router: APIRouter = create_service(router,
+    "api.ex1:chain",
+)
+app.include_router(router)
+```
+
 ## Docs
 
 Automatically served FastAPI doc
diff --git a/langcorn/server/api.py b/langcorn/server/api.py
index 883a85d..b131292 100644
--- a/langcorn/server/api.py
+++ b/langcorn/server/api.py
@@ -2,7 +2,7 @@
 import sys
 from typing import Any, Union
 
-from fastapi import Depends, FastAPI, Header, HTTPException, Request
+from fastapi import APIRouter, Depends, FastAPI, Header, HTTPException, Request
 from fastapi.security.utils import get_authorization_scheme_param
 from langchain.schema import messages_from_dict, messages_to_dict
 from loguru import logger
@@ -122,7 +122,7 @@ async def handler(request: request_cls, http_request: Request):
     return handler
 
 
-def create_service(*lc_apps, auth_token: str = "", app: FastAPI = None):
+def create_service(*lc_apps, auth_token: str = "", app: FastAPI or APIRouter = None):
     # Make local modules discoverable
     sys.path.append(os.path.dirname("."))
     logger.info("Creating service")