The API ref lists the following merchant control types (MCT_): MCT_ADULT_ENTERTAINMENT , * MCT_AIRFARE , * MCT_ALCOHOL , * MCT_APPAREL_AND_ACCESSORIES , * MCT_AUTOMOTIVE , * MCT_CAR_RENTAL , * MC...

I was checking the VTC API and did not find a control that would allow to setup a white/blacklist containing merchant country codes. The aim here would be to give the cardholder the possibility...