For card payments, the Merchant Advice Code (MAC) code sent by Mastercard is returned in the partner_merchant_advice_code field of the API response to your payment request.
MACs) are available to all merchants by default.
For card payments, the Merchant Advice Code (MAC) code sent by Mastercard is returned in the partner_merchant_advice_code field of the API response to your payment request.
MACs) are available to all merchants by default.