If you would like to update the card used for your membership, log in to your account and access your billing page from the user menu.
From here, click the + Add a new payment method.
Fill out all the fields with your payment information* and click Save credit card.
*The accepted credit cards are Visa, Mastercard or AMEX.
Then click the checkmark beside the word "Default" to save your new card as your default payment method for your Devex subscription.