| CODE | |
| 2xx | |
| 200 | OK; the request was fulfilled. |
| 201 | OK; following a POST command. |
| 202 | OK; accepted for processing, but processing is not completed. |
| 203 | OK; partial information-the returned information is only partial. |
| 204 | OK; no response-request received but no information exists to send back. |
| 3xx | |
| 300 | OK; Moved-the data requested has a new location and the change is permanent. |
| 301 | Found-the data requested has a different URL temporarily. |
| 302 | Method-under discussion, a suggestion for the client to try another location. |
| 303 | Not Modified-the document has not been modified as expected. |
| 4xx | |
| 400 | Bad request-syntax problem in the request or it could not be satisfied. |
| 401 | Unauthorized-the client is not authorized to access data. |
| 402 | Payment granted-indicates a changing scheme is in effect. |
| 403 | Forbidden-access not granted even with authorization. |
| 404 | Not found-server could not find the given resource. |
| 5xx | |
| 500 | Internal Error-the server could not fulfill the request because of an unexpected condition. |
| 501 | Not implemented-the server does not support the facility requested. |
| 502 | Server overloaded-high load (or servicing) in progress. |
| 503 | Gateway timeout-server waited for another service that did not completed in time. |