var soap = require('soap');
var url = 'https://ws.cdyne.com/creditcardverify/luhnchecker.asmx?WSDL';

/*
 { LuhnChecker:
 { LuhnCheckerSoap: { CheckCC: [Object] },
 LuhnCheckerSoap12: { CheckCC: [Object] }}}
*/
// tried: DOX, MSFT
var args = {
    CardNumber: '4111111111111111'
};

soap. createClient(url, function(err, client) {
    client. LuhnChecker.LuhnCheckerSoap12. CheckCC (args, function(err, result) {
        var ccCheckResult = result.CheckCCResult;
        console.log( 'Card type: %s\nValid #: %s', ccCheckResult.CardType, ccCheckResult.CardValid);
    });
});