get https://sandboxapi.fincra.com/profile/issuing/?cid=&business=
This api allows you to get all the cards attached to a customer by calling the below endpoint:
The cid will be the value generated when creating the customer, while the value of the business is your businessID.
Below is a sample response for a customer with a cid of e79ecab7-b573-4c61-969f-ad61860d7bb8 that has 2 virtual cards attached to them (1 Visa and 1 Mastercard).