Status Codes

When returning responses, it can make sense to also set an appropriate Http status code – this lets the browser know what went wrong

• You got success (2xx), redirect (3xx), client side errors (4xx) and server-side errors (5xx) codes to choose from

• Setting status codes does NOT mean that the response is incomplete or the app crashed

200 and 201 or 2xx status codes indicates Success: they indicate that the operation simply succeeded.

3xx status codes: Redirection Happens

4xx status codes: shows us that Client-Side error --- 400 status codes which show you that something happened because an error was done by the client,

for example incorrect data was entered into a form, well then we return this 422 error code


5xx (server side error)



Difference between 200 and 201 status codes?

200 and 201, the difference is that we use 201 typically when we created a resource on the server


301 show us that his resource moved permanently or just temporary thing.

401: for not Authenticated

403: Not authorized that means that you might be authenticated but you were still not allowed to do that specific operation

404: for page not found

422: Invalid Input

500: Server Side error


The Default Status Code is 200


1×× Informational

  • 100 Continue

  • 101 Switching Protocols

  • 102 Processing

2×× Success

  • 200 OK

  • 201 Created

  • 202 Accepted

  • 203 Non-authoritative Information

  • 204 No Content

  • 205 Reset Content

  • 206 Partial Content

  • 207 Multi-Status

  • 208 Already Reported

  • 226 IM Used

3×× Redirection

  • 300 Multiple Choices

  • 301 Moved Permanently

  • 302 Found

  • 303 See Other

  • 304 Not Modified

  • 305 Use Proxy

  • 307 Temporary Redirect

  • 308 Permanent Redirect

4×× Client Error

  • 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 Request-URI Too Long

  • 415 Unsupported Media Type

  • 416 Requested Range Not Satisfiable

  • 417 Expectation Failed

  • 418 I'm a teapot

  • 421 Misdirected Request

  • 422 Unprocessable Entity

  • 423 Locked

  • 424 Failed Dependency

  • 426 Upgrade Required

  • 428 Precondition Required

  • 429 Too Many Requests

  • 431 Request Header Fields Too Large

  • 444 Connection Closed Without Response

  • 451 Unavailable For Legal Reasons

  • 499 Client Closed Request

5×× Server Error

  • 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

  • 508 Loop Detected

  • 510 Not Extended

  • 511 Network Authentication Required

  • 599 Network Connect Timeout Error

Source: https://httpstatuses.com/

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