Codeforces API
Get access to Codeforces data.
Strengths
- HTTPS
Codeforces API vs KONTESTS API
Two free Programming APIs compared on access, reliability and developer ratings, using data from our daily health checks.
The verdict
- Choose Codeforces API if its data fits your use case better; on access and reliability it's level with KONTESTS API.
- Choose KONTESTS API if you want to start without an API key.
Side by side
| Codeforces API | KONTESTS API | |
|---|---|---|
| What it does | Get access to Codeforces data. | For upcoming and ongoing competitive coding contests. |
| Provider | codeforces.com | kontests.net |
| API key | Required | Not needed |
| HTTPS | Yes | Yes |
| CORS (browser calls) | Unknown | Unknown |
| Status today | Online · 479 ms | Last check failed |
| Uptime (30 days) | Up | Down |
| Developer rating | Not rated yet | Not rated yet |
| Price | Free / free tier | Free / free tier |
About each API
KONTESTS API
For upcoming and ongoing competitive coding contests.
Strengths
- No API key needed
- HTTPS
How to choose between them
- Prototyping or a tutorial? Pick the one that needs no API key.
- Calling from a web page? You need CORS. Otherwise route requests through your own server or a serverless function.
- Going to production? Favour HTTPS, a strong uptime record and a provider with clear rate limits and terms. Check each API's docs before you commit.
- Still unsure? Both are free to try: send one request to each and compare the data you get back.
Codeforces vs KONTESTS FAQ
Which needs an API key, Codeforces API or KONTESTS API?
Codeforces API requires an API key; KONTESTS API doesn't, so KONTESTS API is quicker to try.
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