| 33 |
|
--4xx: Client Errors-- |
| 34 |
|
The 4xx class of status codes is intended for situations in which the client seems to have erred. |
| 35 |
|
|
| 36 |
+ |
400 Bad Request |
| 37 |
+ |
The server cannot or will not process the request due to an apparent client error (e.g., malformed request syntax). |
| 38 |
+ |
|
| 39 |
|
401 Unauthorized |
| 40 |
|
Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided. |
| 41 |
|
|
| 54 |
|
410 Gone |
| 55 |
|
Indicates that the resource requested is no longer available and will not be available again. This should be used when a resource has been intentionally removed and the resource should be purged. Upon receiving a 410 status code, the client should not request the resource in the future. |
| 56 |
|
|
| 57 |
+ |
418 I'm a teapot |
| 58 |
+ |
This is a joke response code used by some sites. Probably equivalent to a 200. |
| 59 |
+ |
|
| 60 |
|
|
| 61 |
|
--5xx: Server Errors-- |
| 62 |
|
The server failed to fulfill an apparently valid request. |
| 67 |
|
501 Not Implemented |
| 68 |
|
The server either does not recognize the request method, or it lacks the ability to fulfill the request. Usually this implies future availability (e.g., a new feature of a web-service API). |
| 69 |
|
|
| 70 |
+ |
502 Bad Gateway |
| 71 |
+ |
The server was acting as a gateway or proxy and received an invalid response from the upstream server. |
| 72 |
+ |
|
| 73 |
|
503 Service Unavailable |
| 74 |
< |
The server is currently unavailable (because it is overloaded or down for maintenance). Generally, this is a temporary state. |
| 74 |
> |
The server is currently unavailable (because it is overloaded or down for maintenance). Generally, this is a temporary state. |
| 75 |
> |
|
| 76 |
> |
530 Site is frozen |
| 77 |
> |
Some Internet companies use this to indicate that a site is down, but usage is non-standard, so the site will have to be tried again later to see if the outage is due to a frozen account or something else. |