get https://{hostname}/configuration/v1/org-levels//
The org-levels endpoint returns information about the UltiPro organizational level configurations. The unique identifier for an org-levels configuration, is level and code properties concatenated, therefore both values are needed. Permissions - Ultipro service account must have "View" role for the "Company Configuration Integration" Web Service. Headers - US-Customer-Api-Key, Authorization (base64 encoded {username}:{password}).