![FastAPI](https://ph-files.imgix.net/9daaf207-c6d7-49b5-a55f-706a5d5abffd.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=64&h=64&fit=crop&frame=1)
FastAPI
A modern, fast web framework for building APIs with Python
•4 reviews•117 shoutouts•51 followers
Maker Shoutouts
Testimonials from top launches
Trending
![Oneconscious.ai](https://ph-files.imgix.net/244740bf-2c72-4043-9ccb-4d7cdc91f5d3.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Aman AI](https://ph-avatars.imgix.net/7929954/0fb48a56-4cd8-4d77-86e3-5f14eb95766e.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
![Reflex](https://ph-files.imgix.net/7c7490e3-9a8d-4bb8-9809-995a6c10c2a8.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![tom gotsman](https://ph-avatars.imgix.net/6793636/9e1ef396-9b74-4958-a9c3-c6987e4ad02d.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Reflex backends use FastAPI for fast state updates, file uploads and api routes.
![Polar](https://ph-files.imgix.net/78ce69ae-e399-4779-a073-9d71e85011b9.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Birk Jernström](https://ph-avatars.imgix.net/88641/b1272b80-a82e-4e74-9c9e-201581964060.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
We love building our API with FastAPI. We can focus on writing business logic vs. boilerplate and get an OpenAPI schema automatically – enabling seamless creation and automation of client SDKs.
![Glazed](https://ph-files.imgix.net/c2fb4357-30b5-4273-a974-f2ffcc8f4cbd.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Asís](https://ph-avatars.imgix.net/5742514/a3d437e8-9eb0-43e1-9fcc-c8ae880bb67b.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
![Cure AI](https://ph-files.imgix.net/5e878aa5-3dc8-4165-9cb5-166adb2d6d22.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Jared Watson](https://ph-avatars.imgix.net/7927165/c7177ab1-01c8-45ab-9aeb-c9d8f84a4e35.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
FastAPI stood out over Flask with its built-in features like automatic documentation and async support. It made developing Cure AI’s backend faster and more streamlined while keeping the codebase clean and easy to manage.
![Atlas.co](https://ph-files.imgix.net/5f776ac5-f348-4e59-911f-57ca2f939066.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![John Chen](https://ph-avatars.imgix.net/7092780/7482d1a2-db45-4e2e-9cb1-dba0d6606633.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
![Reflex](https://ph-files.imgix.net/7c7490e3-9a8d-4bb8-9809-995a6c10c2a8.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![tom gotsman](https://ph-avatars.imgix.net/6793636/9e1ef396-9b74-4958-a9c3-c6987e4ad02d.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Our backends are FastAPI apps that run on the server.
![Writerry](https://ph-files.imgix.net/aebc9211-f361-4d9a-9976-330cf7ed86ea.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Chaitanya Vaddi](https://ph-avatars.imgix.net/7389726/eb535fc6-9fad-432e-99da-bacb3dd3820a.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
![Permit.io](https://ph-files.imgix.net/b86be31f-0ebd-4763-aa1c-ba34afe8c95c.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Gabriel L. Manor](https://ph-avatars.imgix.net/514528/61df631b-32c4-411c-bcf4-e904384faad3.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
As a Python-based product, FastAPI gave us the best capabilities to create an API-based low-code product.
![Lucas](https://ph-avatars.imgix.net/7224370/8e0877cc-7436-4c8e-9c7d-669e519a2df4.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Helped me build a robust backend to handle requests.
![Small Hours](https://ph-files.imgix.net/ef30ca17-235b-4008-a476-016a1efb748b.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Samir Khoja](https://ph-avatars.imgix.net/408258/021452a3-2587-43aa-b531-e95a57e2e2a6.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
We love building our APIs with FastAPI. It streamlines development by handling much of the boilerplate, allowing us to focus on business logic.
![Legitt E-Signature](https://ph-files.imgix.net/03cc01b0-af34-453c-b889-4afb09d0dd7f.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Dhruv Ahuja](https://ph-avatars.imgix.net/6884413/bf0694d7-0690-4dba-a36a-72841a15504a.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Boasts high performance with asynchronous capabilities, ideal for API development.
![Justin Röttinger](https://ph-avatars.imgix.net/7183563/6a493a12-cff6-494e-a78e-ca1950544f3b.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Love to build my REST Apis with FastAPI as it is super simple to quickstart and then level it up to production. Other solutions like flask didn't really catch up with the things I needed
![Aswanth Vc](https://ph-avatars.imgix.net/7312624/9e6af27a-55fe-4dbe-9160-debbbfa08895.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Simple and modern web development framework that matches my use case.
![Jinay Patel](https://ph-avatars.imgix.net/7334715/original.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Let me create the backend Python API incredibly fast.
![Smart Chrome Tabs](https://ph-files.imgix.net/f983b14b-1e00-4852-a0b6-1b44ed659762.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Rafael C](https://ph-avatars.imgix.net/5642497/original.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Running fast on FastAPI on the Backend. Keep it easy and start building!
![Fabian Fischer](https://ph-avatars.imgix.net/7081504/original.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Not as easily extendable like Flask but smooth and modern.
![SplitHub.io](https://ph-files.imgix.net/9a8738b7-7fdf-467c-9a4f-98e98c8c4aa0.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Andrei Babrounik](https://ph-avatars.imgix.net/1696391/6733a877-1ca7-44ef-92b9-f5506832fced.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
We chose FastAPI for its incredible speed and performance, allowing us to deliver lightning-fast responses and a seamless user experience.
![AiTerm](https://ph-files.imgix.net/43571b0f-5fa0-43af-8874-497000a0946b.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=40&h=40&fit=crop&frame=1)
![Awang Suria Trisakti](https://ph-avatars.imgix.net/6284575/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=24&h=24&fit=crop&frame=1)
Modern and fast web framework, with automatically generated documentations.