Status Codes

Upon receiving a request, the Primavera Data Service returns a response containing one of the following standard HTTP status codes.

HTTP Status Code	Description
200 OK	Request completed successfully. A 200 status is returned when a request is successfully processed.
400 Bad Request	The request could not be processed because it is missing information, contains invalid information, or has syntax errors.
404 Not Found	The request includes a URI that does not exist.
401 Unauthorized	The request is not authorized. The authentication credentials included with this request are missing or invalid.
403 Forbidden	The user cannot be authenticated. The user does not have authorization to perform this request.
405 Method Not Allowed	The HTTP verb specified in the request ( DELETE, GET, POST, PUT) is not supported for this request URI.
406 Not Acceptable	The object identified by this request is not capable of generating a representation corresponding to one of the media types in the Accept header of the request. For example, the client's Accept request header may require XML format return values, but the data service may only return JSON format values.
415 Not Acceptable	The client's ContentType header is not correct (for example, the client attempts to send the request in XML, but the resource can only accept JSON).
500 Internal Server Error	The server encountered an unexpected error that prevented it from fulfilling the request.
503 Service Unavailable	The server is unable to handle the request due to temporary overloading or maintenance.