Contactless payment attracts with its simplicity and convenience. Now payment systems are vying to offer their customers cards with an nfc chip with it, contactless nfc payment for any goods in stores becomes possible. To make a contactless payment, you need to make sure that the device supports NFC technology and then contactless card payment via the phone will be possible, for this you only need to check the settings of your smartphone. To make a card payment via a phone in a store or in any other place, a smartphone must be used as a carrier of payment cards. The application outlines the essence of contactless payments and how contactless payment by phone and contactless payment cards work. Technologies are available not only contactless cards, but you can also pay for your purchases using your phone and also with a watch, a fitness bracelet and rings. This application does not give your smartphone the opportunity to pay by card via phone, this is information about contactless payment technology by card or via smartphone and it may be of interest to you. We hope you will like our application and it will be interesting.