The following example REST API call gives a 401 error from REST API tool such as Postman,Snaplogic
GET /ppm/rest/v1/lookups/SECURITY_GROUPS_LOOKUP/lookupValues?limit=100
com.snaplogic.snap.api.SnapDataException: REST API service endpoint returned error result: status code = 401
Reason: REST API service endpoint returned error result: status code = 401, reason phrase = , refer to the
error_entity field in the error view document for more details
Resolution: Please check the values of Snap properties.
Release : 16.1.0
The error indicates an issue with the Clarity authentication.
Reference:
API Developer: Use the API Key to Integrate with the Client