How can I change my account and payment information? Maartje / Fastned Support Updated 28 February 2018 15:13 Follow You can easily change your account details and payment method through the app in the menu ‘my account’ or via My Fastned through the menu ‘My Account’. Related articles How can I view my billing history & receipts? Why can’t I just pay with my debit card? What are the costs for charging? Comments 0 comments Please sign in to leave a comment.