Apple Pay defaults to credit, so you're not able to purchase a money order with it. Buy a money order at the post office to pay a bill, make a purchase or send cash to loved ones.No bank account is required. You would have to call Goldman Sachs at 1.877.255.5923. Send money in the Wallet app using Apple Cash. On your iPhone, open the Wallet app. Enter the amount to pay along with your credit card or bank account information. Click. Continue. • Review your payment information and click Submit Payment. What are my payment options? You are easily able to charge to your Student Account.