While APIs have been ubiquitous within the enterprise for many years, today they are emerging as the new enterprise control point for cloud applications. In the modern API economy, every enterprise with an Internet presence has an opportunity to expose APIs to third-party access, unlocking value in data and services that would otherwise be hidden behind monolithic legacy systems. While API management might be an old concept, cloud-based API management presents a new discipline with added security, visibility, integration, and scale requirements.