Typically in my experience, the further you get away from AdWords, the more broken Google's client libraries are. I recall a little more than half a decade ago

Typically in my experience, the further you get away from AdWords, the more broken Google's client libraries are. I recall a little more than half a decade ago settling on the PHP version of their Geocoding API client library for a project because it was the only one whose documentation matched how you were actually supposed to authenticate.