HTTP Status Codes

Question 1

200

Answer 1

200 OK indicates that the request has succeeded. The meaning of success depends on the HTTP method

Question 2

201

Answer 2

201 Created indicates that the request has succeeded and has led to the creation of a new resource

Question 3

204

Answer 3

204 No Content indicates that the request has succeeded

Question 4

301

Answer 4

301 Moved Permanently indicates that the requested resource has been definitively moved to the URL given by the Location headers. Browsers redirect to the new URL and search engines update their links.

Question 5

302

Answer 5

302 Found indicates that the resource resides temporarily under a different URI. Since the redirection might be altered on occasion

Question 6

304

Answer 6

304 Not Modified indicates that there is no need to retransmit the requested resources. It is an implicit redirection to a cached version of the resource.

Question 7

400

Answer 7

400 Bad Request indicates that the server cannot or will not process the request due to something that is perceived to be a client error (e.g.

Question 8

401

Answer 8

401 Unauthorized indicates that the request has not been applied because it lacks valid authentication credentials for the target resource.

Question 9

403

Answer 9

403 Forbidden indicates that the server understands the request but refuses to authorize it. Unlike 401

Question 10

404

Answer 10

404 Not Found indicates that the server cannot find the requested resource. This is one of the most famous codes and usually means the URL is unrecognized or the endpoint is broken.

Question 11

405

Answer 11

405 Method Not Allowed indicates that the request method is known by the server but is not supported by the target resource (e.g.

Question 12

408

Answer 12

408 Request Timeout indicates that the server would like to shut down this unused connection. It is sent on an idle connection by some servers

Question 13

429

Answer 13

429 Too Many Requests indicates the user has sent too many requests in a given amount of time (“rate limiting”).

Question 14

500

Answer 14

500 Internal Server Error indicates that the server encountered an unexpected condition that prevented it from fulfilling the request. It is a generic “catch-all” error response.

Question 15

502

Answer 15

502 Bad Gateway indicates that the server

Question 16

503

Answer 16

503 Service Unavailable indicates that the server is not ready to handle the request. Common causes are a server that is down for maintenance or is overloaded.

Question 17

504

Answer 17

504 Gateway Timeout indicates that the server