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HTTP 429 Too Many Requests — Rate Limited

Critical4xx client error

Overview

HTTP 429 Too Many Requests means you have exceeded the rate limit. Wait before retrying.

Key Details

  • Status: 429 Too Many Requests
  • Category: 4xx Client Error
  • Rate limit exceeded
  • Check Retry-After header for wait time

Common Causes

  • Too many API calls in a short period
  • Rate limiting by the server or API gateway
  • DDoS protection triggered
  • Per-user or per-IP request quota exceeded

Steps

  1. 1Check the Retry-After header for how long to wait
  2. 2Implement exponential backoff in your client
  3. 3Cache responses to reduce API calls
  4. 4Request a higher rate limit if available

Tags

http-status4xx-client-errorhttp-429httpstatus-code

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Frequently Asked Questions

Check the Retry-After header. If absent, start with 1 second and double on each retry.