Also, if you are considering Magento 2 for your ecommerce site there is now a Google Pay plugin available:
Google Pay plugin for Magento 2We are pleased to announce the launch of the official Google Pay plugin for Magento 2. The Google Pay plugin can help increase conversions by enabling a simpler and more secure checkout experience in your Magento website. When you integrate with Google Pay, your customers can complete their purchases quickly using the payment methods they’ve securely saved to their Google Accounts.
Monday, July 13, 2020