HTTP Response Code
HTTP Response Code lets the client understand the status of the request sent to the Server. The high level classification is as below:
- Informational responses (100 – 199)
 - Successful responses (200 – 299)
 - Redirection messages (300 – 399)
 - Client error responses (400 – 499)
 - Server error responses (500 – 599)
 
Common Response Codes
| Code | Description | 
|---|---|
| 100 | Continue | 
| 101 | Switching Protocols | 
| 103 | Early Hints | 
| 200 | Ok | 
| 201 | Created | 
| 202 | Accepted | 
| 203 | Non-Authoritative Information | 
| 204 | No Content | 
| 205 | Reset Content | 
| 206 | Partial Content | 
| 300 | Multiple Choices | 
| 301 | Moved Permanently | 
| 302 | Found | 
| 303 | See Other | 
| 304 | Not Modified | 
| 307 | Temporart Redirect | 
| 308 | Permanent Redirect | 
| 400 | Bad Request | 
| 401 | Unauthorized | 
| 402 | Payment Required | 
| 403 | Forbidden | 
| 404 | Not Found | 
| 405 | Method Not Allowed | 
| 406 | Not Acceptable | 
| 407 | Proxy Authentication Required | 
| 408 | Request Timeout | 
| 409 | Conflict | 
| 410 | Gone | 
| 411 | Length Required | 
| 412 | Precondition Failed | 
| 413 | Payload Too Large | 
| 414 | URI Too Long | 
| 415 | Unsupported Media Type | 
| 416 | Range Not Satisfiable | 
| 417 | Expectation Failed | 
| 418 | I’m a teapot | 
| 425 | Too Early | 
| 426 | Upgrade Required | 
| 428 | Precondition Required | 
| 429 | Too Many Requests | 
| 431 | Request Header Fields Too Large | 
| 451 | Unavailable For Legal Reasons | 
| 500 | Internal Server Error | 
| 501 | Not Implemented | 
| 502 | Bad Gateway | 
| 503 | Service Unavailable | 
| 504 | Gateway Timeout | 
| 505 | HTTP Version Not Supported | 
| 506 | Variant Also Negotiates | 
| 510 | Not Extended | 
| 511 | Network Authentication Required |