Api Extra Quality | Wincc Rest

: Acts as a server. External applications (like custom web dashboards, AI agents, or mobile apps) send HTTP requests to WinCC to read or write tag values and configuration data.

Employ the principle of least privilege. External API tokens should strictly use Read-Only scopes unless a control loop explicitly requires write-back capability. Conclusion

A simple GET request to this base URL returns service information including available collections (typically "tagManagement" and "tagLogging"), the WinCC version, and project name. wincc rest api

The REST API offers several advantages compared to older technologies like OPC DA or DDE.

The WinCC REST service exposes a structured API with the following base URL pattern: : Acts as a server

A REST API uses standard HTTP methods (GET, POST, PUT, DELETE) to exchange data, typically in JSON (JavaScript Object Notation) or XML format.

try: response = requests.get(url, headers=headers, verify=False) response.raise_for_status() # Raise an exception for bad status codes External API tokens should strictly use Read-Only scopes

RestSharp supports all standard HTTP methods and authentication mechanisms including Basic, OAuth, NTLM, and custom authenticators.

Special characters in tag names require proper URL encoding. For example, to read a structured tag element named "MyTag.[NewElement]", the square brackets must be encoded as "%5B" and "%5D" respectively: