You've recently paid for a Heroku invoice and would like a prior month's charges applied to a different credit card.
Heroku is unable to refund previous invoices and apply existing charges to a different payment method at this time. We do apologize for this limitation.
To ensure that payments are applied to the desired card in the future, we recommend confirming that the credit card on file is correct. It is important to check both the Personal and Team billing pages, as multiple payment methods can be stored across accounts in Heroku.