Hardware and software requirements Last updated Save as PDF This section describes the hardware and software required to support the REST API server. Child TopicsEnabling Native REST APIThis document covers API version 8.1 supported by the HNAS native REST API. Native API mode was introduced in software release 13.9.6800, and will be used for future API improvements and features, replacing the previous legacy API versions.Authenticating with the REST API serverPorts used by the REST API server The REST API server uses the TCP port 8444 for HTTPS communication. Hitachi file storage firmware requirementsThe firmware requirements are the following. Adding a file storage systemThere are no specific REST API server configuration requirements for file storage other than the REST API server host having network connectivity to the file storage system. Acquiring the correct admin EVS IP addressThis section provides information about acquiring the correct admin Enterprise Virtual System (EVS) IP address.