HTTP response codes

RFC 9110

• 15. Status Codes
• 15.1. Overview of Status Codes
• 15.2. Informational 1xx
  • 15.2.1. 100 Continue
  • 15.2.2. 101 Switching Protocols
• 15.3. Successful 2xx
  • 15.3.1. 200 OK
  • 15.3.2. 201 Created
  • 15.3.3. 202 Accepted
  • 15.3.4. 203 Non-Authoritative Information
  • 15.3.5. 204 No Content
  • 15.3.6. 205 Reset Content
  • 15.3.7. 206 Partial Content
  • 15.3.7.1. Single Part
  • 15.3.7.2. Multiple Parts
  • 15.3.7.3. Combining Parts
• 15.4. Redirection 3xx
  • 15.4.1. 300 Multiple Choices
  • 15.4.2. 301 Moved Permanently
  • 15.4.3. 302 Found
  • 15.4.4. 303 See Other
  • 15.4.5. 304 Not Modified
  • 15.4.6. 305 Use Proxy
  • 15.4.7. 306 (Unused)
  • 15.4.8. 307 Temporary Redirect
  • 15.4.9. 308 Permanent Redirect
• 15.5. Client Error 4xx
  • 15.5.1. 400 Bad Request
  • 15.5.2. 401 Unauthorized
  • 15.5.3. 402 Payment Required
  • 15.5.4. 403 Forbidden
  • 15.5.5. 404 Not Found
  • 15.5.6. 405 Method Not Allowed
  • 15.5.7. 406 Not Acceptable
  • 15.5.8. 407 Proxy Authentication Required
  • 15.5.9. 408 Request Timeout
  • 15.5.10. 409 Conflict
  • 15.5.11. 410 Gone
  • 15.5.12. 411 Length Required
  • 15.5.13. 412 Precondition Failed
  • 15.5.14. 413 Content Too Large
  • 15.5.15. 414 URI Too Long
  • 15.5.16. 415 Unsupported Media Type
  • 15.5.17. 416 Range Not Satisfiable
  • 15.5.18. 417 Expectation Failed
  • 15.5.19. 418 (Unused)
  • 15.5.20. 421 Misdirected Request
  • 15.5.21. 422 Unprocessable Content
  • 15.5.22. 426 Upgrade Required
• 15.6. Server Error 5xx
  • 15.6.1. 500 Internal Server Error
  • 15.6.2. 501 Not Implemented
  • 15.6.3. 502 Bad Gateway
  • 15.6.4. 503 Service Unavailable
  • 15.6.5. 504 Gateway Timeout
  • 15.6.6. 505 HTTP Version Not Supported