In the insurance business, value is now created by the ecosystem that connects insurance systems to more data, features, and services. Core system vendors, technology collaborators, and service partners are stepping up with API capabilities that bind components together. But tech teams that are late modernizing their core systems and applications frequently misjudge just what’s involved when it comes to APIs. This report examines where APIs fit in insurance core modernization and technology development strategies; details the challenges associated with deploying, securing, managing, and testing these useful connectors; and provides recommendations on how to maximize API value.