The process to update a customer's payment details within Stripe is the same for both one-time and recurring payments.
\ 1. Log into your Stripe dashboard.
\ 2. Select the Customer option from the menu that appears on your left.
\ 3. Now find the customer whose details you wish to update and click.
\ 4. Scroll down to Payment methods and click Add. Now input the new Card details.
\ 5. Next, delete the old card and the new card will automatically be set to the default.
The payment details have now been updated.