My code is working like so: var p = {}; p[gadgets.io.RequestParameters.METHOD] = gadgets.io.MethodType.POST; // post_data is a query_string, ie foo=bar&baz=url%20encoded p[gadgets.io.RequestParameters.POST_DATA] = post_data; p[gadgets.io.RequestParameters.AUTHORIZATION] = gadgets.io.AuthorizationType...