FastAPI

"The +5 point increase for FastAPI is one of the most significant shifts in the web framework space."

"This signals a strong trend towards using Python for building performant APIs and reflects the overall strength of the Python ecosystem."

🤯🐍🚀

survey.stackoverflow.co/2025/technol...

Reflections on OpenAI

"[At OpenAI] Pretty much everything operates around @fastapi.tiangolo.com to create APIs and @pydantic.dev for validation" 🚀

- Calvin French-Owen

calv.info/openai-refle...

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Here's FastAPI 0.115.14 🚀

@patrick.wtf fixed support for unions of @pydantic.dev models in Form data. 🐛🎉

(This will make it easier to implement single sign-on 😉)

github.com/fastapi/fast...

The cake was not a lie.

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Here's FastAPI 0.115.13 with a bunch of bug fixes and tweaks 🎁

Special thanks to Yurii for all the work handling discussions and PRs! 🙌

github.com/fastapi/fast...

FastAPI Cloud — You code. We Cloud. Deploy your FastAPI app in seconds, just add fastapi deploy. With a single line of code, skip the hassle and get your app running in the cloud effortlessly.

BIG NEWS ✨

I started a company with an amazing team and the best backers 🤓

We're building FastAPI Cloud 🚀

Designed for @fastapi.tiangolo.com and Python 🐍

One command: fastapi deploy

We take care of the rest 😎

You code. We cloud.

Join the waiting list! ☕️

fastapicloud.com

FastAPI now has 84k GitHub stars ✨

FastAPI is now the most starred backend framework 🎉

...not only in Python, in all programming languages 🤯

Thanks to all who inspired it and paved the way 🙌

And thank you for adopting it! 🍰☕️

github.com/fastapi/fast...

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Small bug fix release, 0.115.12 🐛

github.com/fastapi/fast...

This fixes support for Pydantic models in header parameters using fields with underscores 🚀

fastapi.tiangolo.com/tutorial/hea...

Thank you for saying that! 😁

It's great to know you like the docs. 🎉

Query Parameters and String Validations - FastAPI FastAPI framework, high performance, easy to learn, fast to code, ready for production

Do you like weekend releases? Here's FastAPI 0.115.11 ☕️

✨ New docs and first-class support for custom validators: fastapi.tiangolo.com/tutorial/que...

🐛 This fixes a bug introduced in the last release (from yesterday) that would break those custom validators.

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Another tiny release, more bug fixes and upgrades, FastAPI 0.115.10 🤓

Improved compatibility with the (future) @pydantic.dev 2.11 and support for the latest Starlette 😎

github.com/fastapi/fast...

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Tiny bug fix FastAPI release 🤏 0.115.9

github.com/fastapi/fast...

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Here's FastAPI 0.115.8, with official support for Python 3.13 🐍😎

Python 3.13 tests updated and enabled on CI. And a couple of bug fixes. 🐛

github.com/fastapi/fast...

These past days @fastapi.tiangolo.com surpassed Laravel (PHP) and Gin (Go) in GitHub stars 🤩

Python has the two most starred web backend frameworks in all languages: Django and FastAPI 🐍🚀

github.com/fastapi/fast...

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

Tiny release, FastAPI 0.115.7 🍰

Upgrading several dependencies, including the latest Starlette 🚀

github.com/fastapi/fast...

FastAPI has been downloaded 1 billion times. 😮🥳🎉

1,000,000,000 downloads.

That's a lot! 😁🚀

github.com/fastapi/fast...

You can check it in pepy.tech/projects/fas...

FastAPI FastAPI framework, high performance, easy to learn, fast to code, ready for production

¿Hablas español? Te tengo un regalo. 🎁

Ahora TODA la documentación de FastAPI está traducida al español. 🎉

Ya no son 22 páginas, sino todas las 109, traducidas. 🤓

fastapi.tiangolo.com/es/

GitHub - fastapi/fastapi-cli: Run and manage FastAPI apps from the command line with FastAPI CLI. 🚀 Run and manage FastAPI apps from the command line with FastAPI CLI. 🚀 - fastapi/fastapi-cli

A tiny release of fastapi-cli, 0.0.7, to not disable other loggers. 🐛

This comes included when you install fastapi[standard] 🤓

github.com/fastapi/fast...

The command fastapi (the FastAPI CLI) now looks so much nicer 😎

It now uses @patrick.wtf's rich-toolkit 🎨

To get it, upgrade your dependencies with fastapi[standard] 🤓

Or manually upgrade the package fastapi-cli to the latest version: 0.0.6 🚀

GitHub - fastapi/fastapi: FastAPI framework, high performance, easy to learn, fast to code, ready for production FastAPI framework, high performance, easy to learn, fast to code, ready for production - fastapi/fastapi

A small one, FastAPI 0.115.6 🐛

This fixes a bug that prevented having the full traceback when a sync dependency with yield raised an exception in Python 3.11. 🤓

Thanks to @marcelotryle.bsky.social for the help with this one! 🙌

github.com/fastapi/fast...

{"message": "Hello world!"}