The latest admin interface api documentation can be found here:
https://fewsdocs.deltares.nl/admininterface/api/v1/html5/api-guide.html
Admin Interface - REST API and Wiki Documentation - 2018.02
WIKI Admin Interface
This menu item contains the link to the main page of the Delft-FEWS Admin Interface (2018.02 and later) User Guide
REST API Documentation
This menu item contains the link to the main page of the REWS API Documentation of the Delft-FEWS Admin Interface. This page is included in the Delft-FEWS Admin Interface package and will be available within each AI.
For an example on how to use the API from a Windows Powershell script, please see: Admin Interface REST API Powershell example