make pull request to the IPS marketplace for previous purchase/expirations/renewals
generate invoices on the IPS marketplace
File management (special features if you have downloads, you can link to files to retrieve information from it)
News api (allows you to output news to your application if you want)
Version checks (can manage update checks for applications/plugins, if you have downloads, create a custom field for "long versions" so all the info can be pulled from the download file)
Create forum topics for push notifications
Create Members for your site based on push notifications for purchases. (will send out an email to the user with username, password)
