I\'m writing a code (in Java) that let me get all contacts from my google account, using google API v3. My problem is that after I successfully authorize access to account I
In the documentation https://developers.google.com/google-apps/contacts/v3/#retrieving_all_contacts there is a note saying "The feed may not contain all of the user's contacts, because there's a default limit on the number of results returned" You can use query parameter to manage the information https://developers.google.com/google-apps/contacts/v3/#retrieving_contacts_using_query_parameters. Here you can find the parameters for these requests https://developers.google.com/google-apps/contacts/v3/reference#Parameters. The parameter max-results is probably the one you need.
The correct parameter is max-results