RPE - RTC
IBM.com Jazz.net Documentation RTC Wiki RTC REST API developerWorks
Schema
https://fibula5.vanlint5.nl:9443/ccm/rpt/repository/foundation?metadata=schema
https://fibula5.vanlint5.nl:9443/ccm/rpt/repository/apt?metadata=schema
https://fibula5.vanlint5.nl:9443/ccm/rpt/repository/workitem?metadata=schema

Example DataSouces:

https://business.vanlint5.nl:9443/ccm7/rpt/repository/workitem?fields=workitem/workItem/*

With this information I create specific reports from an IBM Internal RTC server.

https://business.vanlint5.nl:9443/ccm/rpt/repository/workitem
https://business.vanlint5.nl:9443/ccm/rpt/repository/workitem?fields=workitem/workItem[id=45345]/*
https://business.vanlint5.nl:9443/ccm/rpt/repository/workitem?fields=workitem/workItem[id=45734]/*/*
https://business.vanlint5.nl:9443/ccm/rpt/repository/workitem?fields=workitem/workItem/id
https://business.vanlint5.nl:9443/ccm/rpt/repository/workitem?fields=workitem/workItem[id=45345]/(id|summary)

Please check the other sources for more information at this moment.