Windchill REST Services > HTTP Status Codes Returned by Windchill REST Services Responses
  
HTTP Status Codes Returned by Windchill REST Services Responses
Windchill REST Services returns appropriate HTTP status code along with its responses. If an error occurs, Windchill REST Services returns an HTTP status code along with an appropriate error message.
The table shows you the HTTP status codes that are returned along with Windchill REST Services responses.
HTTP Status Code
HTTP Status Code Definition
Windchill REST Services Description
200
HTTP request is successful
Windchill REST Services returns this code when an end point successfully returns entities or entity collections.
201
HTTP request successfully created a resource
Windchill REST Services returns this code when a POST request to a resource or an action successfully creates an entity. The response returns the newly created entity.
204
HTTP request is successful, but the service does not return any response.
Windchill REST Services returns this code when an entity instance is successfully updated or deleted with:
PUT, PATCH, and DELETE requests
POST request to action
Windchill REST Services returns 204 HTTP code with no response.
400
Bad HTTP request
Windchill REST Services returns this code when the client request is malformed or cannot be processed by the server.
403
HTTP request is formed correctly, but is denied by the service
Windchill REST Services returns this code when the user of the request does not have necessary permissions to process the request.
404
Requested resource is not found
Windchill REST Services returns this code when the domain versions, navigations, or entity instances being requested are not available.
500
Internal server error
Windchill REST Services returns this code when the processing of the request fails due to unexpected runtime conditions.
501
Functionality has not been implemented on the server
Windchill REST Services returns this code when URLs are valid OData URLs, but the functionality has not been implemented. For example, in Windchill REST Services some operations in $filter parameter are not implemented. If the client requests for such operations in the URL, Windchill REST Services returns the 501 HTTP code.