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

https://www.last-bookmarks.win/pay-by-phone-lets-you-buy-online-using-your-mobile-number-instead-of-entering

Pay-by-phone lets you buy online and charge purchases directly to your mobile phone. Whether you have a monthly phone bill or prepaid credit, the cost appears there—no need for cards or bank info