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FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

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Your AI-powered cloud workspace. Run 20+ agents in parallel, schedule automated jobs, deploy live web apps, and control everything with AI. Bring your own AI subscriptions. Basically, OpenClaw without the setup steps.

Which is more popular?
Based on our record, FastAPI seems to be more popular. It has been mentioned 317 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fastapi.tiangolo.com | filesurf.io |
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| Company | Startup from Colombia | — |
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External articles and on-site reviews we used to compare the two products.


When our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding. The...
FastAPI, as the name hints, is a swift mover. Built on Starlette, it’s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now that’s something.
Since its release in 2018, it has rapidly gained popularity due to its great performance and simplicity. In fact, according to PyPi Stats, FastAPI has over 9 million monthly downloads, surpassing even full-stack...
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Recommendations tracked on public social media and blogs since March 2021.


Backend: a FastAPI app, started with uvicorn main:app --port 8000. - Source: dev.to / about 17 hours ago
Under the hood it's Flutter on the client and FastAPI with PostgreSQL on the server. WebSockets for realtime, WebRTC for calls, object storage for media, and small services for speech and translation. Android, iOS, Windows and Linux. The... - Source: dev.to / 12 days ago
Using FastAPI, FastStream, and dishka lets us follow Clean Architecture principles and almost avoid leaky abstractions. The prototype also used Pydantic and SQLAlchemy. I do not focus on them because these technologies are already... - Source: dev.to / 20 days ago
Tracking FileSurf since Mar 2026.
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