The Interact API is based on the InteractAPI class. There are 6 supporting interfaces.

These interfaces have 3 supporting concrete classes. The following two concrete classes need to be instantiated and passed in as arguments into the Interact API methods:

A third concrete class, called AdvisoryMessageCode is available to provide the constants used to distinguish the message codes returned from the server whenever applicable.

The rest of this section describes the methods which comprise the Interact API.