429

Too Many Requests

Description

The user has sent too many requests in a given amount of time ("rate limiting"). This is commonly used for API rate limiting. The response should include a Retry-After header indicating how long to wait before making a new request.

HTTP Status Codes Details

Status Code
429
Status Name
Too Many Requests
Class
4xx
Common Usage
Yes

Common Scenarios

  • Client request errors
  • Authentication issues

Handling Recommendations

  • Validate client input
  • Provide clear error messages

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Fact-checking completed

Verified by: Pavel Volkov
Created:
Last updated:
Information verified against official sources

Official Sources

Internet Engineering Task Force RFCs

Official HTTP status codes specification (RFC 7231)

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Comprehensive HTTP status codes documentation

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Internet Assigned Numbers Authority

Official HTTP status code registry

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