Okta is about Identity as a service (IDaaS). The API provides REST functionalities that aim to facilitate identity creation, mobile management, and secure enterprise. In addition to the API, Okta offers an SDK in .NET language with guides to create a client, create a client against another environment, and create client with a proxy. It also offers CRUD operations, enumeration, and custom properties. See the example of Okta API in a music store https://github.com/okta/okta-music-store
While most organizations are still struggling with just how to cope with giving mobile computing devices access to the corporate network, a second wave of mobile computing is already starting to gain momentum.