head to head · open source
fastapi vs apidash
fastapi has 102,402 GitHub stars, 9,903 forks, 78 open issues and last shipped 4 days ago. apidash has 2,909 stars, 1,007 forks, 209 open issues and last shipped 4 days ago. fastapi leads on adoption by 3,420% (102,402 vs 2,909 stars). fastapi is written in Python under MIT; apidash is written in Dart under Apache-2.0. fastapi has attracted 10% as many forks as stars, apidash 35%. fastapi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| fastapi | apidash | |
|---|---|---|
| GitHub stars | ★ 102K | ★ 2.9K |
| License | MIT | Apache-2.0 |
| Written in | Python | Dart |
| Last push | 2026-09-14 | 2026-09-14 |
| Forks | ⑂ 9.9K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 102K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick apidash if
- You want the apidash feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Dart
- You evaluated both and apidash fits your workflow better
About fastapi
FastAPI is an MIT licensed, high performance Python web framework for building APIs with standard Python type hints, aimed at Python developers and teams that need production ready HTTP services with automatic OpenAPI documentation.
read the full fastapi overview →
About apidash
API Dash is an open source cross platform API client for desktop and mobile, built with Flutter and written in Dart. It lives in the developer tools and API development and testing ecosystem, and it supports HTTP, GraphQL, SSE or streaming requests, and AI assisted request work. The README describes it as a lightweight alternative to Postman and Insomnia, with downloadable packages for iOS, iPad, macOS, Windows, and Linux.
read the full apidash overview →
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Frequently asked questions
Is fastapi or apidash more popular?
fastapi has 102,402 GitHub stars and apidash has 2,909. fastapi has the larger community by that measure.
Are fastapi and apidash free?
Both are open source. fastapi is licensed under MIT and apidash under Apache-2.0. Neither carries a licence fee.
What is the difference between fastapi and apidash?
fastapi is written in Python and apidash in Dart. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, fastapi or apidash?
Choose fastapi if you want the larger community (102,402 stars) or its MIT licence terms. Choose apidash if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.