Service Requires Revalidate Saved Credit Card

If you are requiring customers to have a credit card on file when they book, you can check to make sure the card they have saved is valid prior to booking additional SIM time.

On the sim rental edit page, scroll down until you find the require saved credit card option and set that to yes. That reveals the revalidate saved card on booking.

When a customer would like to book additional time, the card will be revalidated before they complete the booking process for the additional time.

Click save at the bottom of the page.