from fastapi import APIRouter router = APIRouter(prefix="/example", tags=["example"]) @router.get("/") async def list_items(): return {"items": ["a", "b", "c"]} @router.get("/{item_id}") async def get_item(item_id: int): return {"id": item_id, "name": f"item_{item_id}"} @router.post("/") async def create_item(): return {"status": "created"}