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Fix 429 rate limit handling

HTTP 429 Too Many Requests means the API is rate limiting you. Implement backoff and respect Retry-After header.

Common causes

  • Exceeding requests per second/minute.
  • No retry with exponential backoff.
  • Ignoring Retry-After header.

How to fix

  • Implement exponential backoff on 429.
  • Respect Retry-After if present.
  • Use Rate Limit Tester to simulate.

Use our tool

Test rate limits