Apple Pay; Click to Pay ; Forms of payment accepted at Retail. Apple Pay defaults to credit, so you're not able to purchase a money order with it.Yes, you can buy a money order with Apple Pay, but it largely depends on the location and the payment options the merchant accepts. Find out about financing, payment methods, refunds, promotions, rebates, coupons, VAT and invoicing with the payments help section. How to fill out a USPS money order? You can contact an Apple Pay Later Specialist at (866)7327753 from am to pm ET, seven days a week. But there is ways around it. Money orders made easy. Submit separate payments for different tax years to ensure we process your payments accurately and in a timely manner. Managing your loan has never been easier with the Oportun app.