Class List
Here are the classes, structs, unions and interfaces with brief descriptions:

BillwerkRestClient | BillwerkRestClient namespace contains all the objects in the BillwerkRestClient module
BillwerkRestClient | This class provides the REST client API for communication with the billwerk.com platform
BillwerkRestConnection | Class for Billwerk.com REST connections; returns BillwerkRestClient::BillwerkRestClient objects