After the card files have been generated, printed by the issuer and personalization company. The card delivery needs to be acknowledged on the portal then the card needs to be linked to the customer account
To successfully link a card to customer's account you make a post request to the link card to customer account endpoint by making a post request and passing Token, SerialNo, AccountNumber, and Reference in the request body.
Here is an example on how to make the post request with sample payload and response to the staging URL.
// Live URL
http://api.mybankone.com/thirdpartyapiservice/apiservice/Cards/LinkCustomerCard