The benefits of machine-readable description files for APIs include the ability to save time and money by automating the generation of documentation, SDKs, test cases, and other resources, as well as providing a clear picture of the API's design and functionality. This clarity can also lead to improved collaboration among stakeholders, developers, and customers. Additionally, machine-readable descriptions enable open standardization, making it easier for APIs to be searched, discovered, and accessed by users. They also facilitate better management of increasing numbers of APIs, code generation, API documentation, testing, and monitoring. Furthermore, they unlock possibilities for automation, transformation between standard API formats, API search and discovery, API sharing, API aggregation, and more.