ONTAP 9.6 adds support for an expansive RESTful API. In comparison to the ONTAPI® application, the ONTAP REST APIs offer a vastly simplified workflow-driven user experience, enabling you to perform multiple operations on a given storage object with a single API.
Access the ONTAP 9.6 RESTful API reference documentation online for information about the types of API calls available , as well as details about using each API endpoint. REST API Developers Guide includes the conceptual information needed to understand and access the API.