Use of a Mastercard account number to reserve accommodations at lodging merchants. For the cardholder, such reservations include a late arrival provision, penalties if cancellation rules are not met, [..]

The Mastercard program designed to facilitate new penetration of card acceptance by targeting cash and convenience-oriented merchant segments, for example, fast food chains, movie theaters, and parkin [..]

A Mastercard service to help combat fraud for non-face-to-face transactions by use of cardholder address information in the authorization request.

A type of Mastercard member that participates indirectly through an association member or a principal member in the activities of this corporation (for example, by issuing Mastercard® or by accepting [..]

In security, ensuring that the message is genuine, that it has arrived exactly as it was sent, and that it comes from the stated source.

Approval of a transaction by or on behalf of an issuer according to defined operations regulations. The merchant receives, via telephone or authorization terminal, this approval to process the transac [..]

A six-digit alphanumeric code assigned by the issuer to identify the approval for a specific authorization request. Also referred to as "issuer's response code," "autho [..]

A message between a card acceptor and an issuer about whether the issuer approves a transaction.

An answer to an authorization request, which is typically a code that advises the acquirer or merchant on how to proceed with the transaction.

One of the group of processing institutions that have networked together to exchange (clear and settle) electronic transactions.