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FastAPI @fastapi.tiangolo.com · 10m

Who's hungry? There's pi 🥧

FastAPI 0.118.3 has official support for Python 3.14 🎉

Big thanks to @oxykodit.bsky.social for a long debugging and preparation process! 🙌

And shoutout to @1st1.dev and Fantix from @geldata.com for the new httptools with support for 3.14 🙇

FastAPI @fastapi.tiangolo.com · 1d

Here's another quick FastAPI bug fix release, 0.118.2 🚀

This fixes a use case with Pydantic models using discriminated unions in the body. 🐛

(If you don't understand or use that, no need to worry about it either 😎)

Thanks François Voron! 🙌

And thanks @patrick.wtf and Yurii! 🍰

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FastAPI @fastapi.tiangolo.com · 2d

Here's FastAPI 0.118.1, with compatibility for the latest @pydantic.dev. 🚀

This one had the combined effort of the community, the @pydantic.dev team, and the @fastapi.tiangolo.com team, all together. 🙌

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

github.com

7 15

FastAPI @fastapi.tiangolo.com · 11d

FastAPI 0.118.0 was just released 🎁

🐛 This fixes a bug when using a StreamingResponse and dependencies with yield or UploadFile.

Details: Now the exit code of dependencies with yield runs after the response is sent back.

If you want to read more: fastapi.tiangolo.com/advanced/adv...

Advanced Dependencies - FastAPI

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

fastapi.tiangolo.com

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FastAPI @fastapi.tiangolo.com · 19d

What's a better weekend treat than a release packed with features and bug fixes? 🍰

FastAPI 0.117.0 has too many things to list. ✨

Check the release notes: fastapi.tiangolo.com/release-notes/

Shoutout to YuriiMotov for the work reviewing and tweaking PRs! 🙌

Release Notes - FastAPI

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

fastapi.tiangolo.com

4 6

FastAPI @fastapi.tiangolo.com · 22d

Just released, fastapi-cli version 0.0.12 🤓

With support for the PORT environment variable, used by many cloud providers. 🚀

Just use:

✨ fastapi run ✨

Thanks Marco Burro! 🙌

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FastAPI @fastapi.tiangolo.com · 23d

Here's FastAPI 0.116.2 with 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

github.com

1 3

FastAPI @fastapi.tiangolo.com · Sep 9

Now you can use the entrypoint syntax with the FastAPI CLI 🚀

(fastapi-cli version 0.0.11)

Thanks @patrick.wtf! 🙌

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Reposted by FastAPI

Sebastián Ramírez @tiangolo.com · Sep 2

I was just checking, and @fastapi.tiangolo.com has been downloaded 4,297,849 times... in the last day.

4M+ times a day. 🚀

That also means that, since you started reading this post, it has been downloaded around 400 times. 🤯

pypistats.org/packages/fas...

PyPI Download Stats

pypistats.org

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FastAPI @fastapi.tiangolo.com · Aug 20

FastAPI is now officially the most used web framework by Python developers 😁🚀🎉

From the Python Developer Survey 🐍

blog.jetbrains.com/pycharm/2025...

1 15

Reposted by FastAPI

Savannah Ostrowski @savannah.dev · Aug 18

Love to see:

- @fastapi.tiangolo.com usage up 9%
- 1/3 contributing to open source
- New developers choosing Python!

PyCharm, a JetBrains IDE @pycharm.dev · Aug 18

🚀 The State of Python 2025 is here!

Our findings from the #Python Developers Survey done in collab with @python.org:

📊 51% use Python for data
🌐 46% use it for web dev
👨‍💻 Half of the community is new
🔧 83% still use older Python versions

Check out the takeaways by @mkennedy.codes: jb.gg/uka16g

The State of Python 2025 | The PyCharm Blog

Discover the latest Python trends and predictions backed by a survey of over 30,000 developers.

jb.gg

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FastAPI @fastapi.tiangolo.com · Jul 29

"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...

3 12

Reposted by FastAPI

Sebastián Ramírez @tiangolo.com · Jul 16

"[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...

Reflections on OpenAI

calv.info

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FastAPI @fastapi.tiangolo.com · Jun 26

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...

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

github.com

5 16

FastAPI @fastapi.tiangolo.com · Jun 20

The cake was not a lie.

5

FastAPI @fastapi.tiangolo.com · Jun 17

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...

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

github.com

2 5

Reposted by FastAPI

Sebastián Ramírez @tiangolo.com · May 5

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 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.

fastapicloud.com

9 17 95

FastAPI @fastapi.tiangolo.com · May 4

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...

5 40

FastAPI @fastapi.tiangolo.com · Mar 23

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...

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

github.com

3 10

FastAPI @fastapi.tiangolo.com · Mar 23

Thank you for saying that! 😁

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

1

FastAPI @fastapi.tiangolo.com · Mar 1

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.

Query Parameters and String Validations - FastAPI

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

fastapi.tiangolo.com

1 8

FastAPI @fastapi.tiangolo.com · Feb 28

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

github.com

4 11

FastAPI @fastapi.tiangolo.com · Feb 27

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

github.com

2 6

FastAPI @fastapi.tiangolo.com · Jan 30

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...

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

github.com

1 15

Reposted by FastAPI

Sebastián Ramírez @tiangolo.com · Jan 30

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...

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