Contactless payments also known as tap and pay is a form of payment that allows a customer to tap a card or device against your card reader to pay instead of inserting a card. The technology is sending a modified card's Track II to the PIN Pad with an RFID chip. To Windward System Five the information simply looks like a card swipe however special processing is required by the processor to ensure that the modified Track II information is legitimate.
To the customer, when they want to pay, they simply wave or tap their card over the contactless terminal. There's no need to key in their PIN or sign a receipt.
Contactless payments have names by the card brands:
Please contact your merchant services provider to ensure your account is setup to accept contactless payments. The following processors may support contactless payments. Currently the US supports swipe grade contactless, not EMV grade.