By saving credit cards, you increase the level of payment flexibility. Your customers don't have to enter their credit card information over and over while you can automate payments.
To use a credit card on file to capture payment.
- Click on "Receive Payment" as you would normally do from an invoice or the customer profile
- Select "Credit Card" as the payment type
- Click on the "Process Payment" toggle to reveal the "Card on File" tab
- Select the credit card to use for processing
- Click on "Apply Payment"