1xx
#100 Continue
#101 Switching Protocols
#102 Processing
#103 Early Hints
2xx
#200 OK
#201 Created
#202 Accepted
#204 No Content
#204 No Content
#205 Reset Content
#206 Partial Content
#207 Multi-Status
#208 Already Reported
#226 IM Used
3xx
#300 Multiple Choices
#301 Moded Permanently
#302 Found
#303 See Other
#304 Not Modified
4xx
#401 Unauthorized
#402 Payment Required
#403 Forbidden
#404 Not Found
#405 Method Not Allowed
#413 Payload Too Large
#418 I'm a teapot
#423 Locked
#429 Too Many Requests
#451 Unavailable For Legal Reasons
5xx
#501 Not Implemented
#508 Loop Detected