HTTP Status Codes

The Decision Cloud API uses conventional HTTP response status codes to indicate the success or failure of an API request. If an error is returned, the response header contains an HTTP status code with a value ranging from 400 to 599.

In general:

Code	Class	Description
2xx	Successful	The request was successfully received, understood, and accepted.
4xx	Client Error	The request contains bad syntax or cannot be fulfilled.
5xx	Server Error	The Decision Cloud server failed to fulfill an apparently valid request.

HTTP Status Code Reference

Code	Status	Description
200	OK	The request was successfully completed.
201	Created	A new resource was successfully created.
204	No Content	The request was successful but returned no content.
400	Bad Request	The request was invalid.
401	Unauthorized	You are using an invalid access token.
403	Forbidden	You are authenticated but do not have access to this resource.
404	Not Found	The resource/page you are requesting does not exist.
405	Method Not Allowed	The request type is not allowed.
409	Conflict	The request could not be completed due to a conflict.
422	Unprocessable Entity	The request failed validation and was unable to process.
429	Too Many Requests	Too many requests hit the API too quickly and the rate limit was exceeded.
500	Internal Server Error	An error occured on the Decision Cloud server.
503	Service Unavailable	The Decision Cloud server was unavailable.