I am using the Google Reports API to watch for changes to resources, such as a user\'s Google Calendar activity events. To achieve this, a channel (or watchpoint) was create
Turns out the request URL specified in the documentation is wrong. The correct one is https://www.googleapis.com/admin/reports_v1/channels/stop
Issue reported here: https://code.google.com/a/google.com/p/apps-api-issues/issues/detail?id=3914