NFC-enabled pass keys are required to support sending reward card information as part of an Apple Pay transaction. 

Important: NFC-enabled pass keys are only supported in passes that contain an Enhanced Passbook/NFC certificate. For more information, contact merchant support at

Passes can send reward card information to a terminal as part of an Apple Pay transaction. This feature requires a payment terminal that supports NFC-entitled passes. Specifically, the terminal must implement the Value Added Services Protocol. 

It is available only for Store Card style passes.