fastapi — Easy Playground

Modern async API framework with automatic OpenAPI docs and Pydantic validation

Getting started with fastapiRun locally

Install

pip install fastapi[standard]

Python CodeRun locally

# Install: pip install fastapi[standard]
from fastapi import FastAPI

app = FastAPI()

@app.get("/")
async def root():
    return {"message": "Hello, World!"}

@app.get("/items/{item_id}")
async def read_item(item_id: int, q: str = None):
    return {"item_id": item_id, "q": q}

# Install: pip install fastapi[standard]
from fastapi import FastAPI

app = FastAPI()

@app.get("/")
async def root():
    return {"message": "Hello, World!"}

@app.get("/items/{item_id}")
async def read_item(item_id: int, q: str = None):
    return {"item_id": item_id, "q": q}

Expected Output

# Expected output shown below
# (Run locally with: fastapi)

fastapi is a third-party package. Modern async API framework with automatic OpenAPI docs and Pydantic validation. Install with: pip install fastapi[standard]

Challenge

Try modifying the code above to explore different behaviors. Can you extend the example to handle a new use case?

View all Easy examples for fastapi