From Longman Dictionary of Contemporary Englishswipe cardˈswipe card noun [countable] a special plastic card that you slide through a machine in order to get into a building or open a door
Examples from the Corpus
swipe card• Once again he led the storming party to the checkout flourishing the swipe card.From Longman Business Dictionaryswipe cardˈswipe card a special plastic card containing information which can be read by a machineCustomers will enter their orders, then pay with their swipe cards. → card 