From AT&T Support Wiki
These pages give you the information you need to develop sophisticated applications for the platform:
Developer Suite - Marketing overview. See what the platform is capable of. Application Architecture - See how an application works. Development Experience - Working with the platform to build an app. Ontology pages - Get familiar with platform terminology and the relationships among the underlying concepts. GUI Ontology - Get an overview of how you work with the GUI, from a developer's perspective. REST API CheatSheet - Read the description column to get a sense of the things you can do with the platform.
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