You can use Gmail to send money to any email address for free. (It doesn’t have to be a Gmail address.) You can also accept money someone sent you or request money from someone using Gmail.
It's free to send money using your Google Wallet Balance, debit card, or your bank account linked to Google Wallet.
The first time you receive money through Gmail, you’ll need to add a debit card to transfer the money to. Whenever someone sends you money through Gmail, it will automatically transfer to that card.
To claim money sent to you through Gmail the first time:
We’re bringing all the different ways to pay with Google into one brand: Google Pay. As a first step in that direction, all the Wallet features you love are getting a fresh coat of paint to go with the Google Pay brand.