The java api access was already published[1], however ruby will probably need a few more minutes[2]
[1] http://code.google.com/p/google-api-java-client/updates/list
[2] http://code.google.com/p/google-api-ruby-client/updates/list
[1] http://code.google.com/p/google-api-java-client/updates/list
[2] http://code.google.com/p/google-api-ruby-client/updates/list
The code for which is here: http://code.google.com/p/gwt-google-apis/source/browse/trunk...
All listed here: http://developers.google.com/+/downloads