CardFlight | 10,511 followers on LinkedIn. Building the future of payment technology. Our signature product, SwipeSimple, is used by 125,000+ small businesses. | CardFlight is committed to making payment acceptance easy for business owners. @SwipeSimple, our signature product, is used by more than 125,000 small business across the US. Ten of the top 30 merchant acquirers in the US recommend SwipeSimple because the products easy for businesses to use.