ACI Worldwide is a company that develops, markets, installs, and supports software products for digital payments. It offers ACI Omni Commerce, a tool for processing and managing digital and omni-commerce payments; ACI Acquiring, a merchant management system; ACI Issuing, a digital payments issuing solution; ACI Enterprise Payments Platform, a platform for processing and orchestration capabilities for digital payments; ACI Fraud Management, a solution for managing fraud and risk, and other solutions. The company caters to banks, merchants, and billers.