Hey Romain - didn't see any responses to the public list, so I'll throw a couple of answers in where I know.
On Nov 6, 2013, at 9:10 AM, Philibert Romain <romain philibert worldline com> wrote:
Very awesome - that's an awesome integration, and should be useful to many people.
gear-groups should be returning the endpoints of each gear in the application. We had been discussing a new rest endpoint that was easier to use but it hasn't been implemented yet.
Sounds like a bug - I'll make sure one is filed.
Will look to see if there's a good answer - it sounds reasonable.