HTTP response status codes

For successful requests, Plisio returns HTTP 2XX status codes.

For failed requests, Plisio returns HTTP 4XX or 5XX status codes.

Full list of status codes:

Status code	Description
`200 OK`	The request is successful.
`201 Created`	A POST method created a resource successfully. If the resource was already created by a previous execution of the same method, for example, the server returns the HTTP 200 OK status code.
`202 Accepted`	The server accepted the request and will execute it later.
`204 No Content`	The server successfully executed the method but returned no response body.
`400 Bad Request`	INVALID_REQUEST. Request is not well-formed, syntactically incorrect, or violates schema.
`401 Unauthorized`	AUTHENTICATION_FAILURE. Authentication failed due to invalid authentication credentials.
`403 Forbidden`	NOT_AUTHORIZED. Authorization failed due to insufficient permissions.
`404 Not Found`	RESOURCE_NOT_FOUND. The specified resource does not exist.
`405 Method Not Allowed`	METHOD_NOT_SUPPORTED. The server does not implement the requested HTTP method.
`406 Not Acceptable`	MEDIA_TYPE_NOT_ACCEPTABLE. The server does not implement the media type that would be acceptable to the client.
`415 Unsupported Media Type`	UNSUPPORTED_MEDIA_TYPE. The server does not support the request payload’s media type.
`422 Unprocessable Entity`	UNPROCESSABLE_ENTITY. The API cannot complete the requested action, or the request action is semantically incorrect or fails business validation.
`429 Unprocessable Entity`	RATE_LIMIT_REACHED. Too many requests. Blocked due to rate limiting.
`500 Internal Server Error`	INTERNAL_SERVER_ERROR. An internal server error has occurred.
`503 Service Unavailable`	SERVICE_UNAVAILABLE. Service Unavailable.