Passes can be redeemed in either of two ways:
You can optionally require extra security when users redeem or access their pass. For details, see Protect with Screen Lock.
Use show and scan
Help your customers scan their Pass by attaching a barcode. The API provides a variety of barcode types. For more details, see the Reference.
Use NFC tap
Your users can seamlessly redeem their loyalty cards using an NFC tap. Apply for Google Pay API for Passes access to learn more.
Protect with Screen Lock
To protect your customer's access to their pass, you can require a screen lock each time they save or access their pass. To access this feature, contact Google Pay Merchant Help.