FastOpenAPI – automated docs for many Python frameworks
FastOpenAPI is a library for generating and integrating OpenAPI schemas using Pydantic v2 and various frameworks (AioHttp, Django, Falcon, Flask, Quart, Sanic, Starlette, Tornado). - mr-fatalyst/fastopenapi
FastOpenAPI – automated docs for many Python frameworks launched on March 22, 2025 with 153 votes, #280 of 7,215 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
FastOpenAPI automatically generates API documentation for multiple Python web frameworks. It's designed for Python developers who want to quickly produce OpenAPI specifications without manual setup. The tool stands out by supporting various frameworks rather than being locked to a single one, making it useful for teams working across different Python stacks.
written from the facts on this page · September 2026
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