Have you ever spent hours wrestling with boilerplate, validation errors, or stale docs just to ship a simple endpoint? FastAPI is here to save the day—and your sanity. Built on modern Python type hints, it delivers lightning-fast performance, automatic docs, and built-in validation with almost zero ceremony.
Why FastAPI?
Type-powered validation
Define your request and response models with Pydantic. FastAPI inspects your type hints and auto-validates data for you.Interactive docs
Swagger UI and ReDoc are generated out of the box. Hit/docs
or/redoc
to explore and test your API without writing a single line of Swagger spec.Async first
Support forasync def
means you can handle thousands of concurrent connections with minimal effort—perfect for real-time feeds, WebSockets, or talking to modern async clients.Performance
FastAPI rivals Node.js and Go in benchmarks. It’s built on Starlette and Uvicorn, so you get ASGI performance with familiar Python syntax.
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