Wincc Rest Api [new] Jun 2026

External clients (such as Python scripts, mobile apps, or BI tools like Power BI ) send requests to WinCC to fetch or update data.

: Supports reading and writing runtime values, including real-time tags and archive tags. wincc rest api

The is a transformative interface for modern industrial automation, allowing external applications to securely interact with SCADA data using standard web technologies. Traditionally, accessing Siemens WinCC data required complex proprietary drivers or OLE DB connections; however, the introduction of the REST interface in WinCC V7.5 SP2 and WinCC V8.0 has simplified this process by utilizing universal HTTP methods and JSON data structures. Core Capabilities of the WinCC REST Interface External clients (such as Python scripts, mobile apps,

Siemens offers two distinct ways to use REST with WinCC, depending on whether WinCC is the "server" or the "client": External clients (such as Python scripts

curl -u "username:password" "http://192.168.1.100/WinCC/REST/Tags/MyTag"