get https://gateway.stage.bill.com/connect/v3/funding-accounts/ap-cards
Get a list of AP Card objects.
With the AP Card, you can earn rewards simply by paying your bills. The AP Card is a payment method that enables you to send fast payments with no transaction fees or annual fees. You can use the AP Card with any vendor who accepts virtual card payments.
See [AP Card Frequently Asked Questions (FAQs)]"
(https://help.bill.com/direct/s/article/000003348) in the BILL Help to learn more about AP Card.