Pay-by-phone lets you buy online and charge purchases directly to your monthly...

https://atomic-wiki.win/index.php/How_to_Compare_Apple_Pay,_Google_Pay,_and_Carrier_Billing_for_Checkout_Speed

Pay-by-phone lets you buy online and charge purchases directly to your monthly phone bill or prepaid credit. It’s a simple, secure way to pay without needing a credit card or separate account. Perfect for quick checkouts on mobile devices.