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FastAPI is fast — but with the right middleware, it becomes unstoppable.

7 Useful Middlewares for FastAPI That You Should Know About 🚀

Take your FastAPI app from good to great with these must-have middleware tools.

4 min readMay 22, 2025

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FastAPI has rapidly become one of the most popular web frameworks in the Python ecosystem — and for good reason. It’s fast, intuitive, and perfectly tailored for modern web APIs. But if you’re not using middleware effectively, you’re missing out on a powerful tool to supercharge your app’s performance, security, and maintainability.

In this article, we’ll explore 7 super handy FastAPI middlewares that can help you build cleaner, more secure, and more efficient APIs.

But First, What’s Middleware?

In FastAPI (and Starlette, the ASGI toolkit underneath), middleware is a function or class that runs before and/or after each request. You can use it to log data, handle errors, enforce security, and more — without…

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Aashish Kumar
Aashish Kumar

Written by Aashish Kumar

Hi, I’m Aashish Kumar, a passionate software engineer from India 🇮🇳, specialize in Python | Django | AI | LLM | Full Stack Development.

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