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HTTP Status Codes

HTTP 429 Too Many Requests

429 Too Many Requests

The client sent too many requests in a given time window and the server rate-limited further access temporarily.

429 Too Many Requestsnetworking

Observed message

429 Too Many Requests

Why it happens

  • The client exceeded the server's rate limits.
  • A script, integration, or user action is sending requests too aggressively.
  • The server applies per-IP, per-user, or per-resource request throttling.

How to fix it

  1. Slow request frequency and implement backoff logic.
  2. Honor any `Retry-After` header returned by the server.
  3. Review whether the current request pattern is unintentionally retrying or looping.

Official reference

MDN: 429 Too Many Requests

Related errors

408 Request TimeoutHTTP 408 Request Timeout413 Content Too LargeHTTP 413 Content Too Large414 URI Too LongHTTP 414 URI Too Long502 Bad GatewayHTTP 502 Bad Gateway

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429 Too Many Requests: what it means and how to fix it | Error Atlas