@FastAPI

FastAPI framework, high performance, easy to learn, fast to code, ready for production. 🚀 Web APIs with Python type hints. 🐍 By @tiangolo 🤓

 Internet
fastapi.tiangolo.com
Joined September 2020
  • Tweets1K
  • Following1
  • Followers46.6K
86Media
SQLAlchemy 2.1 was released 2 weeks ago, it adds several typing improvements and has @psycopg's latest version as the default for Postgres 🎉 SQLModel 0.0.48, just released, adds support for it, so you can get the new cool stuff by default. 🥳 sqlmodel.tiangolo.com
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Sometimes eating your own dog food can be such a nice experience! I 🫶 Typer so much... 👇 Just a quick preview of what we're building over at @Sevren_ai, building on top of the most wonderful open-source tools: @pydantic AI, @FastAPI, Typer, and @pidotdev. Expect an early beta release within the next week! And ofc it will be open-source, too💥
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FastAPI is a platform to build on.
Sebastián Ramírez@tiangoloSep 30
I think this is big. 🌠 FastAPI's objective is to provide what you always need for real prod apps. And not provide what you don't. You always want metrics, there's just not enough time to always set it all up. Now it's just there, by default.
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SQLModel 0.0.47 adds direct support for Postgres, MySQL, MariaDB 🐘 sqlmodel.tiangolo.com (It was already supported via SQLAlchemy, but now all the SQLModel tests run with each DB)
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I've consumed lots of @FastAPI knowledge in the recent days. And I can't remember the last time I felt this way. The more I learn the more I want to keep going. Tirelessly! Cool stuff. Cool technology. Can't wait to try it out in the wild!
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The backend of AI is @FastAPI 🚀
Mish Ushakov
@mishushakovAug 20
Replying to @tiangolo
we run our Code Interpeter on FastAPI
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@FastAPI Cloud is coming to Amsterdam! 🇳🇱 The team behind @FastAPICloud is organizing FastAPI Conf 2026 (featuring @pydantic, @openai, and more!), and we're very happy to spend a full day with the community in person. If you're around, come say hi! 👋 October 28th // fastapiconf.com/
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Remember this image from the James Webb space telescope? Wanna know how the science data here is transferred to scientists around the world using @FastAPI? And also the images we will see in January from The Roman Telescope (about to be launched). Come to FastAPI Conf. 🌠
FastAPI@FastAPIAug 10
FastAPI Conf speaker news! 📢 @benjamin_falk, FastAPI Expert, has led projects to distribute space science data around the world. James Webb, The Roman Telescope launched next month, and more. 🔭 Come to see real world advanced FastAPI use cases! 🌠 fastapiconf.com
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Static assets are now smartly cached on FastAPI Cloud, powered by Cloudflare. ⚡️ Most are served directly by the high-performance CDN, without reaching your Python app. The cache resets automatically on every deployment. Just use standard @FastAPI. Zero config. 😎
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So honoured to speak at the very first FastAPI Conf 🍰 FastAPI literally changed the course of my career, and I’m proud to be part of this awesome community! Looking forward to meet all of ya 😄
FastAPI@FastAPIJul 31
FastAPI Conf first speaker announcement! 📢 @fvoron, a long time FastAPI community member and open source builder, now helping developers sell software products through his work at @polar_sh 🏦 Welcome to Amsterdam, François! Stay tuned, because this is just the beginning 🔥
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This is @FastAPI 🤘
Andrew Ng
@AndrewYNgJul 23
Announcing OpenWorker! An open-source agent that doesn't just chat with you, but delivers finished work -- like hand you a polished document, send a slack message, or update a calendar entry. Ask it to prepare a customer brief, untangle your calendar, draft a report, or triage a Slack alert. It works across your files and everyday tools, produces the deliverable, and checks in before doing anything consequential. OpenWorker runs on your Mac, with Windows support coming soon. It does not lock you into any one model. Bring your own API key and run it with GPT 5.6 Sol, Claude Fable, Gemini 3.6, an open weight model (like Kimi, GLM, DeepSeek, Inkling), or Ollama to keep your data local. Your data does not leave your machine except through an LLM provider and integrations that you choose. @rohitcprasad and I are building OpenWorker because AI coworkers are an important way to get work done, and we want there to be an open, privacy-preserving, model-independent option. Check it out and let us know what you think! Try it out: openworker.com (requires your own API key) Source code: github.com/andrewyng/openwor…
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Looking for the official AI Agent Skills? Find them in the docs 👇️ FastAPI: fastapi.tiangolo.com/tutoria… Typer: typer.tiangolo.com/tutorial/… SQLModel: sqlmodel.tiangolo.com/instal… Asyncer: asyncer.tiangolo.com/tutoria…
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#Python Gems of the Day 💎 Otari (github.com/mozilla-ai/otari): Mozilla AI’s open-source LLM Gateway written in Python. Can be self-hosted to provision custom budgets and API keys, and to track usage for OpenAI-compatible clients. It uses Any-LLM internally for routing the request to LLM APIs. Powered by @FastAPI Any-LLM (github.com/mozilla-ai/any-ll…): Another @MozillaAI open-source project that provides a unified interface for interacting with multiple LLM APIs.

GitHub - mozilla-ai/otari: Open-source, OpenAI-compatible LLM gateway you run yourself. One...

Open-source, OpenAI-compatible LLM gateway you run yourself. One endpoint for 40+ providers, with virtual keys, budgets, and usage tracking. - mozilla-ai/otari

github.com
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With @FastAPI's new support for frontend you can now deploy full-stack apps to FastAPI Cloud 🏰 All in the same domain, no need to even worry about CORS 😎 fastapicloud.com/docs/builds…
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FastAPI, Typer, SQLModel, Asyncer All bundle their own Agent Library Skills ✨ Let your agents (Codex, Claude, Cursor, etc) help you write good code and avoid gotchas 🤓 New SQLModel and Asyncer just released with their own library skills 🔖 library-skills.io
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FastAPI Cloud is now in Public Beta ⚡ Deploy @FastAPI apps with: fastapi deploy No waitlist. Try it now. 🚀 You Code. We Cloud. 😎 fastapicloud.com/blog/fastap…
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writing services with @FastAPI is a completely different experience. Code is really tiny, so much comes out of the box. It works like a charm but my mind is not able to adjust the fact that it is all cooked for me.
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FastAPI retweeted
Shayan H.@shayanhlJun 8
The unspoken moat: @FastAPI + Python didn't just speed up deployment. They merged two jobs into one. When your ML person ships the API directly, knowledge doesn't get lost in handoff. That's not efficiency, it's architecture as competitive advantage.
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It seems @FastAPI's downloads have more than doubled since early this year 📈 From 8M to 19M per DAY 💥 Maybe because coding agents are so good at writing Python and FastAPI, don't really know 🤔
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FastAPI retweeted
Polar
@polar_shMay 12
Polar — The fastest growing billing platform for AI Startups is open source & would never have been possible without... Python Backend > @FastAPI by @tiangolo > Starlette, HTTPX & Uvicorn > Dramatiq by Bogdan Popa > @pydantic > @sqlalchemy > Authlib by @lepture > APScheduler > React Email by @resend Frontend > @nextjs > @shadcn > @tailwindcss > Motion by @mattgperry > React Query by @tannerlinsley > @nuqs47ng > React Hook Form
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