Wincc Rest Api __exclusive__ Jun 2026

Use VB scripts within WinCC to parse complex JSON responses from external services (like weather data) and populate local tags for HMI visualization. Reference Resources Direct Link Official Configuration Guide Siemens Industry Support WinCC OA REST Basics WinCC OA Documentation Security Guidelines Security Guideline - WinCC V8 For deeper technical details, you can refer to the full WinCC V8.0 Communication Manual Are you planning to use a specific language like to connect to the WinCC API, or are you looking for examples within WinCC itself? How to configure the WinCC REST service - ID: 109818894

WinCC's REST functionality is split into two main behaviors depending on your needs: WinCC REST Service (Server): wincc rest api

// Login var loginData = new username = "api_user", password = "MyStr0ng!Pass" ; var loginJson = JsonSerializer.Serialize(loginData); var loginContent = new StringContent(loginJson, Encoding.UTF8, "application/json"); Use VB scripts within WinCC to parse complex

This API is only available in WinCC Professional (V7.x and TIA Portal) and WinCC OA (Open Architecture) . Classic WinCC V7.5 and earlier do not natively support a full REST API without third-party connectors. Classic WinCC V7