How do I add the Grit card to Google Pay?

To add your Grit card to Google Pay:

1. Open the Google Wallet app.
2. At the bottom, tap Add to Wallet.
3. Tap Payment card. Any cards you saved to your Google Account are shown.
4.Tap New credit or debit card.
5. To add a card, use your camera or tap Or enter details manually.
6. At the bottom, tap Save and continue.
7. Read the Issuer Terms and tap Accept.

If you’re asked to verify your payment method, choose an option from the list.

Visit Google's website for more information.