Add the Google Pay API to your mobile app or mobile website
Enable easy checkout for customers in your app and on your website. Use the Google Pay API to request any credit or debit card stored in your customer's Google account.
Save to Android Pay API
Use the Save to Android Pay API to let customers digitize and securely store your loyalty cards, gift cards, and offers in their Android Pay app. Once your cards are Saved to Android Pay, using them in your stores is a snap. Save to Android Pay helps you invite customers to visit more often, gives them a more rewarding experience when they do, and it's all just a click away on their mobile device.