We quit using credit cards all together. With credit in the 800s we don't need to use them. The debit with pin is normal for us. Our Debit cards are Visa and they work there, so I am guessing if you have a MasterCard Debit card it would work. The Visa that is linked above is for credit transactions only. And you better get used to the chip and pin, soon that is the only way you will be able to pay anyway everywhere. (except for contactless payment options) All EMV is changing. Since October if a merchant doesn't have chip and pin in place, the merchant is responsible for the fraudulent charge if one is found. I'm switching everything here in our store, I have 22 VeriFone MX-915 machines in my office ready to be installed in Febuary. This shit has been a pain in my ass for a year now.