Codeforces
5.9#23 in coding challenge platformsFree planFree planWebAPI
VisitCodeforces vs HackerRank
HackerRank
7.4#1 in interview intelligence softwareFrom $165 a monthWebAPImacOSWindows
VisitWhat both publish
| Fact | Codeforces | HackerRank |
|---|---|---|
| API | The API provides some Codeforces data as machine-readable JSON through HTTP requests. | HackerRank APIs automate test administration, interviews, user and team management, candidate data, and question retrieval. |
| API limit | The API allows at most one request every two seconds; faster requests receive a call-limit error. | HackerRank recommends sending up to 10 API requests per second and returns HTTP 429 above that rate. |
Codeforces plans
- CodeforcesFree
HackerRank plans
- Starter$165 a month
- Pro$375 a month
- EnterprisePriced on request
Pick Codeforces if…
Codeforces suits programmers who want to compete, track contest ratings, or practice with previous contests. Its API may also suit users seeking machine-readable access to some public data.
Pick HackerRank if…
You want what its maker publishes above — check its page for the details.