The --reload flag makes the server restart after code changes, which is perfect for development. You can now access your API at http://127.0.0.1:8000. Automatic Documentation
To save this tutorial as a PDF, you can use your browser's "Print" function (Ctrl+P or Cmd+P) and select "Save as PDF" as the destination. This will allow you to keep this guide as a handy reference for your future FastAPI projects.
One of the most powerful features of FastAPI is its automatic interactive API documentation. Once your server is running, you can visit: fastapi tutorial pdf
In the example above, we saw both path and query parameters.
class Item(BaseModel):name: strdescription: str = Noneprice: floattax: float = None @app.post("/items/")def create_item(item: Item):return item The --reload flag makes the server restart after
/docs: Interactive API documentation provided by Swagger UI. You can call your API endpoints directly from the browser. /redoc: Alternative API documentation provided by ReDoc. Path Parameters and Query Parameters
Standards-based: Fully compatible with OpenAPI and JSON Schema. Setting Up Your Environment This will allow you to keep this guide
Now, install FastAPI and Uvicorn, an ASGI server that will run your application: pip install fastapi uvicorn Creating Your First API Create a file named main.py and add the following code: from fastapi import FastAPI app = FastAPI() @app.get("/")def read_root():return {"Hello": "World"}
@app.get("/users/")def read_users(commons: dict = Depends(common_parameters)):return commons Database Integration
