We developed a product specifically for Google Drive using their JavaScript client. We were hoping to make it commercial but had to abandon those plans due to 3 bugs that have been present since around the beginning of 2013. Also, there's no open bug tracker. The developer relations people are very friendly, but when I ask where to report bugs I'm told "just tell me". So every 2 months I've reported the same 3 bugs i…
While the api is a little funny, it's clearly very powerful. Anyone criticizing the move to work with Google API's at all should keep that in mind. But the nonexistent service and unreliability of the API are hard to overcome.