Mintlify API alternatives

For programmatically generating documentation for code. If it doesn't fit your project, here are the 4 best free Programming APIs to use instead in 2026, out of 4 in the directory.

For reference, Mintlify API: Callable from the browser (CORS) · HTTPS.

1
Judge0 CE API
Online · 596 ms
Online code execution system. A free programming API by Judge0 CE.
- HTTPS
apiKeyHTTPSCORS ?
2
Codeforces API
Online · 479 ms
Get access to Codeforces data.
- HTTPS
apiKeyHTTPSCORS ?
3
Hackerearth API
Online · 1521 ms
For compiling and running code in several languages.
- HTTPS
apiKeyHTTPSCORS ?
4K
KONTESTS API
Last check failed
For upcoming and ongoing competitive coding contests.
- No API key needed
- HTTPS
No authHTTPSCORS ?

Mintlify API vs alternatives

Mintlify API compared with its alternatives
API	API key	HTTPS	CORS	Uptime	Response	Rating
Mintlify	Required	Yes	Yes	Up	1227 ms	Not rated
Judge0 CE	Required	Yes	Unknown	Up	596 ms	Not rated
Codeforces	Required	Yes	Unknown	Up	479 ms	Not rated
Hackerearth	Required	Yes	Unknown	Up	1521 ms	Not rated
KONTESTS	No	Yes	Unknown	Down	–	Not rated

Head-to-head comparisons

Mintlify API alternatives FAQ

What is the best free alternative to the Mintlify API in 2026?

The top-ranked free alternatives to the Mintlify API are Judge0 CE API, Codeforces API and Hackerearth API, all in the Programming category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a Mintlify API alternative that doesn't need an API key?

Yes: KONTESTS API work without an API key, unlike the Mintlify API, which uses apiKey authentication.

How many Programming APIs are similar to the Mintlify API?

The directory lists 4 other free Programming APIs. This page compares the top ones side by side.