The pxGrid development team launched a series of video tutorials that you can use to learn how to integrate your application into pxGrid. This 8-part tutorial series helps kickstart your development effort by starting with the basics of pxGrid and moving through developing an integration with a sample application.
Please visit the Discover > Videos section on the pxGrid site on Cisco DevNet
https://developer.cisco.com/site/pxgrid/discover/videos/
Alternatively, you can access these tutorials on the Cisco DevNet Youtube channel. While you are there please subscribe so you can updates on newer videos as they are released.
https://www.youtube.com/playlist?list=PL2k86RlAekM8YHrwjnCitNbz4BhbZcHKm
On January 24th also brought on board a mix of 8 new technology partners to expand the diversity of the pxGrid ecosystem. Visit the blog post here to learn more about these integrations.
http://blogs.cisco.com/security/pxgrid-turns-50-in-just-two-years