| HTTP Error codes |
Details |
| 1xx Informational response |
100 Continue
101 Switching Protocols
102 Processing
|
| 2xx Success |
200 OK
201 Created
202 Accepted
203 Non-authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status
208 Already Reported
226 IM Used
|
| 3×× Redirection |
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
305 Use Proxy
307 Temporary Redirect
308 Permanent Redirect
|
| 4×× Client Error |
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Payload Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed
418 I'm a teapot
421 Misdirected Request
422 Unprocessable Entity
423 Locked
424 Failed Dependency
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
444 Connection Closed Without Response
451 Unavailable For Legal Reasons
499 Client Closed Request
|
| 5×× Server Error |
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
508 Loop Detected
510 Not Extended
511 Network Authentication Required
599 Network Connect Timeout Error
|
| Unofficial codes |
103 Checkpoint
218 This is fine (Apache Web Server)
419 Page Expired (Laravel Framework)
420 Method Failure (Spring Framework)
420 Enhance Your Calm (Twitter)
430 Request Header Fields Too Large (Shopify)
450 Blocked by Windows Parental Controls (Microsoft)
498 Invalid Token (Esri)
499 Token Required (Esri)
509 Bandwidth Limit Exceeded (Apache Web Server/cPanel)
526 Invalid SSL Certificate
529 Site is overloaded
530 Site is frozen
598 (Informal convention) Network read timeout error
|
| Internet Information Services |
440 Login Time-out
449 Retry With
451 Redirect
|
| nginx |
444 No Response
494 Request header too large
495 SSL Certificate Error
496 SSL Certificate Required
497 HTTP Request Sent to HTTPS Port
499 Client Closed Request
|
| Cloudflare |
520 Web Server Returned an Unknown Error
521 Web Server Is Down
522 Connection Timed Out
523 Origin Is Unreachable
524 A Timeout Occurred
525 SSL Handshake Failed
526 Invalid SSL Certificate
527 Railgun Error
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