HTTP Status Codes

When REST API requests are sent to carryout various actions, various HTTP status codes will be returned based on the state of the action (success or failure) and the HTTP method (POST, GET, PUT, DELETE) executed. The following are the definitions of the various HTTP status codes that are returned.

Success HTTP status codes

Code	Code Summary	Description
200	Ok	HTTP request was successful. The output corresponding to the HTTP request will be returned. Generally used as a response to a successful `GET` and `PUT` REST API HTTP methods.
201	Created	HTTP request was successfully processed and a new resource was created. Generally used as a response to a successful`POST` REST API HTTP method.
204	No content	HTTP request was successfully processed. No content will be returned. Generally used as a response to a successful`DELETE` REST API HTTP method.
202	Accepted	HTTP request was accepted for processing, but the processing has not been completed. This generally occurs when your successful in trying to undeploy an application.

Error HTTP status codes

Code	Code Summary	Description
404	Not found	Requested resource not found. Generally used as a response for unsuccessful `GET` and `PUT` REST API HTTP methods.
409	Conflict	Request could not be processed because of conflict in the request. This generally occurs when you are trying to add a resource that already exists. For example, when trying to add an auto-scaling policy that has an already existing ID.
500	Internal server error	Server error occurred.