Rest Api - Wincc

Would you like a practical example (e.g., Python code that reads/writes to a WinCC tag via REST) or a deeper comparison with OPC UA?

Once running, you can test via a web browser or tool like or cURL : wincc rest api

To begin using the WinCC REST API, the "Web Runtime" or "Connectivity Pack" usually needs to be enabled and configured within the WinCC project. Once the endpoint is active, developers can use tools like Postman to test requests. A typical GET request to retrieve a tag value involves calling a specific URL endpoint and receiving a JSON payload in return. This JSON format is lightweight and easy to parse, making it ideal for high-performance applications. Future-Proofing Your SCADA System Would you like a practical example (e

The WinCC REST API provides the following core functionalities (depending on the exact WinCC version and configuration): A typical GET request to retrieve a tag

: Used to read runtime values (tags) and project configuration data.