Once you understand the different parts of the API, you can start creating your client application. These topics describe some things to keep in mind when creating your client application.
Setting Defaults in Z-Billing and Z-Payments
The Z-Commerce API offers the ability to automate the tasks that are performed manually using the Z-Billing and Z-Payment applications. In addition, the Z-Commerce API uses certain settings made in the Admin sections of the Z-Billing and Z-Payments applications. See Billing Settings and Payment Settings for more information about setting these values.