Here is great summary and videos on how to integrate with GoToAssist/GoToMeeting/GoToMyPC SDKs from Terry Holland (Sr. Manager of Integration Services, Citrix Online division).

GoToAssist Integration Presentation Available for Viewing:
The following recorded presentation describes all the techniques for integrating GoToAssist. Topics include how to automate the launch of a GoToAssist session for end users, how to streamline support agents’ tasks and how to integrate and locally save session data. After the general overview (20 min), there is a section on how to approach integration with a CRM system (10 min) and a final section on the out-of-box Database Integration (10 min). Total viewing time is 40 min.
https://www.gotomeeting.com/register/334585120

GoToAssist Integration Services Website:
http://www.gotoassist.com/intServices.html

GoToMeeting Corporate Integration Presentation Available for Viewing:
The following recorded presentation describes all the techniques for integrating GoToMeeting Corporate. Topics include an overview of integration options, the Organizer API and the Administrator/Reporting API. The presentation also includes some examples. Total viewing time is 20 mins.
https://www.gotomeeting.com/register/605056742

GoToMeeting Corporate Integration Services Website:
https://www.gotomeeting.com/pre/corp/integration.tmpl

GoToMyPC Corporate Integration Presentation Available for Viewing:
The following recorded presentation describes all the techniques for integrating GoToMyPC Corporate. Topics include an overview of integration options, the out-of-box Provisioning Tool, the Administrator API and the Reporting API. Total viewing time is 20 mins.
https://www.gotomeeting.com/register/295522528

GoToMyPC Corporate Integration Services Website:
https://www.gotomypc.com/corp/integration.html

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