HTTP Status Codes Reference

Complete reference of HTTP response status codes. Click on any code to see detailed information about when and how it's used.

Status Code Categories

  • 1xx Informational - Request received, continuing process
  • 2xx Success - Request successfully received and processed
  • 3xx Redirection - Further action needed to complete request
  • 4xx Client Error - Request contains bad syntax or cannot be fulfilled
  • 5xx Server Error - Server failed to fulfill a valid request

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