Can I change my payment details once my order has been submitted? Customer Service September 30, 2021 07:20 Updated No, you are not able to change your payment details once your order has been submitted. If you need to cancel your order for any reason, please see information on canceling your order. Related articles Can I cancel my order before it has been delivered? How do I make changes to my order? Why was my order payment rejected? How can I change my delivery address? Are my credit or debit card details saved?