The change of your payment data depends on the selected means of payment (credit card, invoice or SEPA direct debit).
You are able to edit added credit card information after logging into your account as administrator in the menu “Subcription”.
You are able to edit saved data regarding your SEPA direct debit after logging into your account as administrator in the dashboard in your invoice area.
For the payment method invoice and necessary changes of the stored invoice data contact our support.