Codeforces API alternatives
Get access to Codeforces data. 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, Codeforces API: HTTPS.
- 1
Judge0 CE API
Online · 596 msOnline code execution system. A free programming API by Judge0 CE.
- HTTPS
apiKeyHTTPSCORS ? - 2
Mintlify API
Online · 1227 msFor programmatically generating documentation for code.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 3
Hackerearth API
Online · 1521 msFor compiling and running code in several languages.
- HTTPS
apiKeyHTTPSCORS ? - 4
KONTESTS API
Last check failedFor upcoming and ongoing competitive coding contests.
- No API key needed
- HTTPS
No authHTTPSCORS ?
Codeforces API vs alternatives
| API | API key | HTTPS | CORS | Uptime | Response | Rating |
|---|---|---|---|---|---|---|
| Required | Yes | Unknown | Up | 479 ms | Not rated | |
| Required | Yes | Unknown | Up | 596 ms | Not rated | |
| Required | Yes | Yes | Up | 1227 ms | Not rated | |
| Hackerearth | Required | Yes | Unknown | Up | 1521 ms | Not rated |
| KONTESTS | No | Yes | Unknown | Down | – | Not rated |
Head-to-head comparisons
See also: best Programming APIs · all Programming APIs
Codeforces API alternatives FAQ
What is the best free alternative to the Codeforces API in 2026?
The top-ranked free alternatives to the Codeforces API are Judge0 CE API, Mintlify 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 Codeforces API alternative that doesn't need an API key?
Yes: KONTESTS API work without an API key, unlike the Codeforces API, which uses apiKey authentication.
Is there a Codeforces API alternative I can call from the browser?
Mintlify API support CORS, so front-end JavaScript can call them directly.
How many Programming APIs are similar to the Codeforces API?
The directory lists 4 other free Programming APIs. This page compares the top ones side by side.