HTTP errors
Status codes and what they mean.
100 Continue
See meaning, causes, and fixes.
101 Switching Protocols
See meaning, causes, and fixes.
102 Processing
See meaning, causes, and fixes.
103 Early Hints
See meaning, causes, and fixes.
200 OK
See meaning, causes, and fixes.
201 Created
See meaning, causes, and fixes.
202 Accepted
See meaning, causes, and fixes.
203 Non-Authoritative Information
See meaning, causes, and fixes.
204 No Content
See meaning, causes, and fixes.
205 Reset Content
See meaning, causes, and fixes.
206 Partial Content
See meaning, causes, and fixes.
207 Multi-Status
See meaning, causes, and fixes.
208 Already Reported
See meaning, causes, and fixes.
226 IM Used
See meaning, causes, and fixes.
300 Multiple Choices
See meaning, causes, and fixes.
301 Moved Permanently
See meaning, causes, and fixes.
302 Found
See meaning, causes, and fixes.
303 See Other
See meaning, causes, and fixes.
304 Not Modified
See meaning, causes, and fixes.
307 Temporary Redirect
See meaning, causes, and fixes.
308 Permanent Redirect
See meaning, causes, and fixes.
400 Bad Request
See meaning, causes, and fixes.
401 Unauthorized
See meaning, causes, and fixes.
402 Payment Required
See meaning, causes, and fixes.
403 Forbidden
See meaning, causes, and fixes.
404 Not Found
See meaning, causes, and fixes.
405 Method Not Allowed
See meaning, causes, and fixes.
408 Request Timeout
See meaning, causes, and fixes.
409 Conflict
See meaning, causes, and fixes.
410 Gone
See meaning, causes, and fixes.
411 Length Required
See meaning, causes, and fixes.
412 Precondition Failed
See meaning, causes, and fixes.
413 Content Too Large
See meaning, causes, and fixes.
414 URI Too Long
See meaning, causes, and fixes.
415 Unsupported Media Type
See meaning, causes, and fixes.
416 Range Not Satisfiable
See meaning, causes, and fixes.
417 Expectation Failed
See meaning, causes, and fixes.
418 I'm a teapot
See meaning, causes, and fixes.
421 Misdirected Request
See meaning, causes, and fixes.
422 Unprocessable Content
See meaning, causes, and fixes.
423 Locked
See meaning, causes, and fixes.
424 Failed Dependency
See meaning, causes, and fixes.
425 Too Early
See meaning, causes, and fixes.
426 Upgrade Required
See meaning, causes, and fixes.
428 Precondition Required
See meaning, causes, and fixes.
429 Too Many Requests
See meaning, causes, and fixes.
431 Request Header Fields Too Large
See meaning, causes, and fixes.
451 Unavailable For Legal Reasons
See meaning, causes, and fixes.
500 Internal Server Error
See meaning, causes, and fixes.
501 Not Implemented
See meaning, causes, and fixes.
502 Bad Gateway
See meaning, causes, and fixes.
503 Service Unavailable
See meaning, causes, and fixes.
504 Gateway Timeout
See meaning, causes, and fixes.
505 HTTP Version Not Supported
See meaning, causes, and fixes.
506 Variant Also Negotiates
See meaning, causes, and fixes.
507 Insufficient Storage
See meaning, causes, and fixes.
508 Loop Detected
See meaning, causes, and fixes.
510 Not Extended
See meaning, causes, and fixes.
511 Network Authentication Required
See meaning, causes, and fixes.