Julian posted on this a while back and vouched that your scenario should work using 2 legged OAuth. Granted, it was back in 2009, but I'm guessing that it should still work. Check out his post (with Java code sample here) here:
https://groups.google.com/d/msg/google-contacts-api/IM-ylPu_F1U/IZ9tlIuzKRkJ -- You received this message because you are subscribed to the Google Groups "Google Contacts, Shared Contacts and User Profiles APIs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://code.google.com/apis/contacts/community/forum.html
