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mastercard.us
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Definitions (71)
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guaranteed reservation
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, [..]
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quick payment service
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 [..]
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account data compromise event
An event in which account data may have been compromised that could lead to unauthorized use of the cardholder's account. An ADCE does not mean that account data was wrongfully disclosed or used, [..]
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address verification service
A Mastercard service to help combat fraud for non-face-to-face transactions by use of cardholder address information in the authorization request.
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affiliate member
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 MastercardĀ®Ā or by accepting [..]
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authentication
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.
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authorization
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 [..]
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authorization code
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 [..]
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authorization message
A message between a card acceptor and an issuer about whether the issuer approves a transaction.
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authorization response
An answer to an authorization request, which is typically a code that advises the acquirer or merchant on how to proceed with the transaction.
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