Java integration
curl \ -H "Authorization: $API_KEY" \ http://tagging.us-east-1.amazonaws.com/#X-Amz-Target=ResourceGroupsTaggingAPI_20170126.GetTagKeys
curl \ -H "Authorization: $API_KEY" \ http://tagging.us-east-1.amazonaws.com/#X-Amz-Target=ResourceGroupsTaggingAPI_20170126.GetResources