HTTPCode.printAll(...) Output
100 Continue
Category: Informational response
101 Switching Protocols
Category: Informational response
102 Processing
Category: Informational response
103 Early Hints
Category: Informational response
200 OK
Category: Success
201 Created
Category: Success
202 Accepted
Category: Success
203 Non-Authoritative Information
Category: Success
204 No Content
Category: Success
205 Reset Content
Category: Success
206 Partial Content
Category: Success
207 Multi-Status
Category: Success
208 Already Reported
Category: Success
226 IM Used
Category: Success
300 Multiple Choices
Category: Redirection
301 Moved Permanently
Category: Redirection
302 Found, Moved temporarily
Category: Redirection
303 See Other
Category: Redirection
304 Not Modified
Category: Redirection
305 Use Proxy
Category: Redirection
306 Switch Proxy
Category: Redirection
307 Temporary Redirect
Category: Redirection
308 Permanent Redirect
Category: Redirection
400 Bad Request
Category: Client errors
401 Unauthorized
Category: Client errors
402 Payment Required
Category: Client errors
403 Forbidden
Category: Client errors
404 Not Found
Category: Client errors
405 Method Not Allowed
Category: Client errors
406 Not Acceptable
Category: Client errors
407 Proxy Authentication Required
Category: Client errors
408 Request Timeout
Category: Client errors
409 Conflict
Category: Client errors
410 Gone
Category: Client errors
411 Length Required
Category: Client errors
412 Precondition Failed
Category: Client errors
413 Payload Too Large
Category: Client errors
414 URI Too Long
Category: Client errors
415 Unsupported Media Type
Category: Client errors
416 Range Not Satisfiable
Category: Client errors
417 Expectation Failed
Category: Client errors
418 I'm a teapot
Category: Client errors
421 Misdirected Request
Category: Client errors
422 Unprocessable Entity
Category: Client errors
423 Locked
Category: Client errors
424 Failed Dependency
Category: Client errors
425 Too Early
Category: Client errors
426 Upgrade Required
Category: Client errors
428 Precondition Required
Category: Client errors
429 Too Many Requests
Category: Client errors
431 Request Header Fields Too Large
Category: Client errors
451 Unavailable For Legal Reasons
Category: Client errors
500 Internal Server Error
Category: Server errors
501 Not Implemented
Category: Server errors
502 Bad Gateway
Category: Server errors
503 Service Unavailable
Category: Server errors
504 Gateway Timeout
Category: Server errors
505 HTTP Version Not Supported
Category: Server errors
506 Variant Also Negotiates
Category: Server errors
507 Insufficient Storage
Category: Server errors
508 Loop Detected
Category: Server errors
510 Not Extended
Category: Server errors
511 Network Authentication Required
Category: Server errors
103 Checkpoint
Category: Informational response
218 This is fine (Apache Web Server)
Category: Unofficial codes
419 Page Expired (Laravel Framework)
Category: Unofficial codes
420 Method Failure (Spring Framework)
Category: Unofficial codes
420 Enhance Your Calm (Twitter)
Category: Unofficial codes
450 Blocked by Windows Parental Controls (Microsoft)
Category: Unofficial codes
498 Invalid Token (Esri)
Category: Unofficial codes
499 Token Required (Esri)
Category: Unofficial codes
509 Bandwidth Limit Exceeded (Apache Web Server/cPanel)
Category: Unofficial codes
526 Invalid SSL Certificate
Category: Unofficial codes
530 Site is frozen
Category: Unofficial codes
598 (Informal convention) Network read timeout error
Category: Unofficial codes
440 Login Time-out
Category: Microsoft Internet Information Services
449 Retry With
Category: Microsoft Internet Information Services
451 Redirect
Category: Client errors
444 No Response
Category: nginx
494 Request header too large
Category: nginx
495 SSL Certificate Error
Category: nginx
496 SSL Certificate Required
Category: nginx
497 HTTP Request Sent to HTTPS Port
Category: nginx
499 Client Closed Request
Category: Unofficial codes
520 Unknown Error
Category: Cloudflare
521 Web Server Is Down
Category: Cloudflare
522 Connection Timed Out
Category: Cloudflare
523 Origin Is Unreachable
Category: Cloudflare
524 A Timeout Occurred
Category: Cloudflare
525 SSL Handshake Failed
Category: Cloudflare
526 Invalid SSL Certificate
Category: Unofficial codes
527 Railgun Error
Category: Cloudflare
530 Origin DNS Error
Category: Unofficial codes