The OpenAPI Specifications Conference for 2021 was held on September 28 and 29. The conference, sponsored by the OpenAPI Initiative, featured speakers from companies and organizations who offered insight into the problems inherent in creating APIs, publishing them in a manner that makes them findable by developers, describing the rules that govern the API, and the history and current direction of API specification. The opening keynote by Mandy Whaley and Yina Arenas cited the need for change in API specification...