How do I update my payment information? To update your payment information, simply: Log in to your account. Head to your payment page. Enter your new payment information. Be sure to click the Save Changes button when you're done! Related articles How can I delete or cancel my subscription? When will my credit card be charged? How much are the items in my box and when am I charged? Why do you need my payment information before sending my Dia Box? How can I cancel a scheduled Dia Box?