For this GET request, you'll just need the Secure Payments token that was generated when you first created the payment profile. Plug that into the endpoint and you should be able to retrieve information about the cardholder and bank. Since it's a GET request, there is no payload body.
For more information, see our article Secure Payments API – GET Checking Account.
Try It Instructions
This endpoint has a token from our demo API tenant, so you can hit the Try It button to get a 200 response.