
Flask
ExpressJS
Django
Yii Framework
Bottle
Ruby on Rails
Laravel
FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

LinearB
GitPrime
Waydev
Swarmia
Athenian
Teamplify
DeepAffects
Software Delivery Analytics Tool for Engineering Teams. Deliver Software Faster, Better, and more Predictably.
Which is more popular?
Based on our record, FastAPI seems to be a lot more popular than Haystack Analytics. While we know about 315 links to FastAPI, we've tracked only 2 mentions of Haystack Analytics.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | fastapi.tiangolo.com | usehaystack.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Colombia | Startup from the United States · 1 - 9 employees · 2019 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of FastAPI yet.
Haystack is a real-time delivery analytics platform designed for engineering leaders like CTOs, VPs of Engineering, Directors of Software Engineering, and Engineering Managers. Haystack provides actionable insights that enable data-driven decision-making, aligning engineering performance with...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of Haystack Analytics yet.
Walkthroughs and reviews on video.
FastAPI from the ground up
More videos
Haystack (YC W21)
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FastAPI and Haystack Analytics.
Haystack Analytics's answer:
Engineering Leaders and Managers
Share your experience with using FastAPI and Haystack Analytics. 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...
We have no reviews of Haystack Analytics yet. Be the first one to post
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 / 7 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 / 13 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 / 21 days ago
Heads up: site is not loading. Ios Safari & macOS Chrome. Mixed Content: The page at 'https://usehaystack.io/' was loaded over HTTPS, but requested an insecure favicon 'http://www.usehaystack.io/favicon.ico'. This request has been... - Source: Hacker News / over 5 years ago
Hey HN! I'm Julian, co-founder of Haystack (https://usehaystack.io). We’re building one-click dashboards and alerts using Github data. While managing teams from startups to more established companies like Cloudflare, my cofounder Kan and... - Source: Hacker News / over 5 years ago
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