I don't know much about your industry specifically, but I can say that developing software that integrates with third party services is a challenge when you don't have a test version of their architecture.
To ease this concern we are hoping to ship binary pkgs for Ottemo once we have tested this in the post golang 1.7 timeframe. This would allow access to developers wanting to build add-ons in golang and allow us to keep our source code private.
