It features conceptual and 'How to' articles, sample code, and programming references for the Project 2013 clients and Project Server 2013.
The Project 2013 SDK shows how to extend and integrate Project Standard, Project Professional, Project Server, and Project Online with other applications for enterprise project management (EPM).
The Project 2013 SDK helps solution providers, value-added resellers, and other developers learn about new features in the Project 2013 client applications and the Project Server 2013 platform.