This document discusses the use of APIs in banking and other industries to create integrated ecosystems. It notes that APIs allow applications and business systems to efficiently interact and integrate. Traditional providers of APIs are processing billions of API calls per day. APIs can now connect not just business applications but also mobile, IoT, social, and cognitive systems. The document outlines key functions of API management like analytics, monitoring, security and scaling. It advises industries to create an API strategy, monetize APIs, build and manage world-class APIs, and scale expertise to start an API economy and deliver exceptional experiences across open ecosystems.