@app.get("/") def read_root(): return {"message": "Welcome to FastAPI"} This code creates a basic FastAPI application with a single endpoint at / .
# GET endpoint to retrieve a single item by ID @app.get("/items/{item_id}") def read_item(item_id: int): for item in items: if item["id"] == item_id: return item return {"error": "Item not found"}
Let's create a few more endpoints to demonstrate FastAPI's capabilities. Update the main.py file with the following code:
