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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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Which is more popular?
Based on our record, FastAPI seems to be a lot more popular than Submit.co. While we know about 315 links to FastAPI, we've tracked only 3 mentions of Submit.co.
Website, pricing, platforms and company facts side by side.
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Submit.co
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| Website | fastapi.tiangolo.com | submit.co |
| Pricing | — | |
| Company | Startup from Colombia | — |
| Listed in |
What each product offers, as listed by its team.

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An editorial look at what each product does well and who it suits.

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Recommended for
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FastAPI from the ground up
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Share your experience with using FastAPI and Submit.co. For example, how are they different and which one is better?
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.

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 / 2 days ago
If your FastAPI app talks to a database through SQLAlchemy, chances are high you will meet it sooner or later. Not on your machine, of course. It shows up in production, after a few quiet hours, under load. And the reflex is always the... - Source: dev.to / 8 days ago
API: FastAPI with async SQLAlchemy, PostgreSQL 17 for data, Redis for caching and rate limits. The cache is invalidated by a single version counter bumped on every write: no fine-grained purging to manage. - Source: dev.to / 16 days ago
Fun story: I built BetaList 16 years ago which was one of the first "product discovery" platforms. Years before Product Hunt, etc. I manually reviewed every submission and unfortunately often I had to tell founders that their startup... - Source: Hacker News / 4 months ago
First, I crawled and audited all the available data from similar lists. Startup directories, such as those found on GitHub and Submit.co websites are the few standing out in terms of quality. - Source: dev.to / almost 4 years ago
Very cool. Just submitted to submit.co. Source: over 5 years ago
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