The Profiles on Demand API (Pull API), which utilizes OAuth for authorization 

• This API allows you for querying profiles “on-demand” – no automatic synchronization happens.
• You will need a client-id and client secret provided by Umbrella to walk a user through the authorization flow.

Documentation:

https://docs.google.com/document/d/1CDPy8ZyLvcViV_OMK_9PchnlMdGvrB9_QRoRgRRWSJo/edit?usp=sharing