HTTP Status Codes

HTTP Status Code Reference Guide

• 401 Unauthorized (HTTP Status Code 401)

  HTTP status code 401 indicates that the requested resource requires authentication.

• 402 Payment Required (HTTP Status Code 402)

  HTTP status code 402 is a non-standard status code that is reserved for future use. This status code was initially created to support digital cash or micropayment systems, indicating that the requested content will only be provided after the client has completed payment.

• 403 Forbidden (HTTP Status Code 403)

  HTTP status code 403 indicates that the server understood the client's request but refuses to fulfill it.

• 404 Not Found (HTTP Status Code 404)

  HTTP status code 404 is one of the most common HTTP status codes, indicating that the server cannot find the resource requested by the client.

• 405 Method Not Allowed (HTTP Status Code 405)

  HTTP status code 405 indicates that the server understood the client's request but does not support the requested method for that resource.

• 406 Not Acceptable (HTTP Status Code 406)

  HTTP status code 406 indicates that the server cannot provide a suitable response based on the content characteristics (such as language, encoding, etc.) requested by the client.