What are the HTTP response status codes?

What are the HTTP response status codes?

HTTP response status codes indicate whether a specific HTTP request has been successfully completed.

HTTP response codes are issued by a server in response to a request made to the server. It includes code from IETF Request for Comments (RFCs), as well as some additional codes that are commonly used in applications of HTTP.

Responses are classified in five classes

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1. Informational responses

2.Successful responses

3. Redirect

4. Client errors

5. Servers errors

1. Information responses

  • 100 : Continue
  • 101 : Switching Protocol
  • 102: Processing (WebDAV)
  • 103 : Early Hints

2. Successful Responses

  • 200: OK
  • 201 : Created
  • 202 : Accepted
  • 203 : Non-Authoritative Information
  • 204 : No Content
  • 205 : Reset Content
  • 206 : Partial Content
  • 207 : Multi-Status (WebDAV)
  • 208 : Already Reported (WebDAV)
  • 226 : IM Used (HTTP Delta encoding)

 3. Redirection messages

  • 300 : Multiple Choice
  • 301 : Moved Permanently
  • 302 : Found
  • 303 : See Other
  • 304 : Not Modified
  • 305 : Use Proxy
  • 306 : unused
  • 307 : Temporary Redirect
  • 308 : Permanent Redirect
4. Client Error Responses
  • 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
  • 421 : Misdirected Request
  • 422 : Unprocessable Entity (WebDAV)
  • 423 : Locked (WebDAV)
  • 424 : Failed Dependency (WebDAV)
  • 425 : Too Early
  • 426 : Upgrade Required
  • 428 : Precondition Required
  • 429 : Too Many Requests
  • 431 : Request Header Fields Too Large
  • 451 : Unavailable For Legal Reasons
5. Server Error Responses

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
507 : Insufficient Storage (WebDAV)
508 : Loop Detected (WebDAV)
510 : Not Extended
511 : Network Authentication Required

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