ACI Worldwide is a global provider of real-time electronic payment solutions, serving banks, financial intermediaries, merchants, and corporations worldwide. The company specializes in developing software that facilitates secure and efficient payment processing across various channels, including ATMs, point-of-sale systems, and digital platforms.

ACI's comprehensive suite of products and services caters to diverse payment needs, from banking and merchant solutions to bill pay and payments intelligence. The company's solutions are utilized by top banks globally, enabling thousands of merchants directly and through payment service providers. ACI Worldwide's focus on security and scalability positions it as a key player in the mission-critical payments ecosystem.