Chess.com · Rate Limits

Chess Com Rate Limits

Rate-limit posture for the Chess.com Published Data API. The API does not publish a numeric limit but enforces throttling on parallel requests.

Chess Com Rate Limits is the rate-limit profile for Chess.com on the APIs.io network.

The provider publishes no rate limits that could be read; the profile records that absence rather than inventing a ceiling.

Limit state is signalled in the conditional and responseCaching response headers, and an exhausted limit returns HTTP 429.

The profile also includes 5 backoff/retry policies defined and response codes documented for throttled, notFound, and gone.

Tagged areas include Chess, Rate Limiting, and Public API.

0 Limits Exhausted: HTTP 429 conditionalresponseCaching
Method: generated, dated 2026-05-25.
Written by API Evangelist on 2026-05-25 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
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Limits

Chess.com publishes no rate limits that could be read; the profile records that absence rather than inventing a ceiling.
ChessRate LimitingPublic API

Policies

Serial requests unlimited
Serial (non-parallel) client traffic is unlimited in practice.
Parallel requests throttled
Concurrent requests against the same path or against many paths in parallel will receive 429 Too Many Requests responses. There is no published per-IP or per-key quota.
Cache refresh window
Most endpoints refresh at most every 12-24 hours. Clients SHOULD honor ETag and Last-Modified to avoid revalidation traffic.
User-Agent requirement
Clients SHOULD include a recognizable User-Agent header containing a contact email or URL. Generic or empty User-Agents may be blocked.
Stale-player tolerance
About 3% of players still using legacy V2 website may have slightly stale data.

Sources

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