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    Integration Options
    National Australia Bank
 supports Apple Pay in multiple integration options. Three of
            the most widely used options are VDC NAB
 decryption, merchant
            decryption, and Checkout API
. Each option presents specific tradeoffs
            and advantages, and you can select the integration model that best fits your
            business.Apple Pay integration is built into the 
National Australia Bank
 payment management
            platform. National Australia Bank
 offers two integration methods for handling the
            payment data returned by the Apple Pay service for processing payments. In response to
            an authorization request, Apple Pay returns payment data in an encrypted payload. The
            encrypted payment data is handled and processed differently, depending on which
            integration method is used. Both decryption methods support Apple Pay in-app and Apple
            Pay on the web.