Worldpay provides payment processing and merchant acquiring services for businesses selling online, in store, and across channels. Its products include card acceptance, e-commerce gateways and APIs, fraud and risk management, recurring billing, and currency conversion, with fees based on transaction volume and value-added services. Founded in 1993 and headquartered in Cincinnati, Ohio, Worldpay became part of FIS through acquisition and serves merchants ranging from small retailers to global enterprises.