OpenAPI Initiative – The OpenAPI Initiative provides an open source, technical community, within which industry participants may easily contribute to building a vendor-neutral, portable and an open specification for providing technical metadata for REST APIs – the “OpenAPI Specification” (OAS). Overview & Contact Data

The OpenAPI Initiative is a technical community driven by industry participants, aiming to establish a vendor-neutral, portable, and open specification for providing technical metadata for REST APIs. This initiative is housed within The Linux Foundation, a non-profit organization that fosters collaboration and innovation in the technology sector. The OpenAPI Specification (OAS) is the result of this collaborative effort, providing a formal standard for describing HTTP APIs. By using OAS, developers, engineers, and organizations can gain a deeper understanding of how APIs work, facilitating the creation of client code, tests, and design standards. The OpenAPI Initiative serves a diverse range of stakeholders, including developers, engineers, and organizations involved in API development and maintenance. By promoting the use of a common API description language, the initiative enables flexibility in tool vendor selection and staffing, as well as abstraction of API description, facilitating the adoption of innovations in API behaviors. The OpenAPI Initiative also provides a platform for knowledge sharing, collaboration, and community engagement, with events such as apidays Paris 2025, where the OAI Track is an integral part of the conference program. The OpenAPI Initiative is notable for its widespread adoption and use in the industry, with the OpenAPI Specification being the most widely used API description language. The initiative also provides a range of resources and tools for developers, including training courses, such as the OpenAPI Fundamentals training course, and a community-driven approach to specification development and maintenance. By promoting openness, collaboration, and standardization, the OpenAPI Initiative aims to drive innovation and adoption of API technologies.