Updating a card on file as a host (business owner)
As a host, if you need to add or edit a card on file, follow these steps.
First, make sure you're signed in as an admin > then click your logo in the top left then billing
Then click Add card / or edit the existing one.
At the bottom of the page you'll find your billing history.
I need to change a card on file for a customer. Where do I do that?
From Customers > Customer List > search for the customer and click their name > click Actions > Edit Card on File.