Mastercard Inc. (stylized as MasterCard from 1979 to 2016, mastercard from 2016 to 2019) is the second-largest payment-processing corporation worldwide. It offers a range of payment transaction processing and other related-payment services (such as travel-related payments and bookings). Its headquarters are in Purchase, New York.[3] Throughout the world, its principal business is to process payments between the banks of merchants and the card-issuing banks or credit unions of the purchasers who use the Mastercard-brand debit, credit and prepaid cards to make purchases. Mastercard has been publicly traded since 2006.
Mastercard (originally Interbank then Master Charge)[4] was created by an alliance of several banks and regional bankcard associations in response to the BankAmericard issued by Bank of America,Mastercard Worldwide was a cooperative owned by the more than 25,000 financial institutions that issue its branded cards.