In our 19-criterion evaluation of global API strategy and delivery service providers, we identified the nine most significant ones — Accenture, Capgemini, Cognizant, Deloitte, IBM, Infosys, Tata Consultancy Services (TCS), Virtusa, and Wipro — and researched, analyzed, and scored them. This report shows how each provider measures up and helps application development and delivery (AD&D) professionals select the right one for their needs.