Internet Server Application Programming Interface An application programming interface (API) that resides on a server computer for initiating software services tuned for Windows operating systems. In Microsoft Provisioning System, ISAPI resides on the Web server(Internet Server Application Programming Interface); ISAPI(An application programming interface (API) that resides on a server computer for initiating software services tuned for Windows operating systems. In Microsoft Provisioning System, ISAPI resides on the Web server)
