Hi Nikolaus,
Looked up through dotnet docs, and it seems like it's default limit of connection duration for HttpClient class which is internally used for REST actions.
Seems like automations execution time limit doesn't override that limit too.
I'm not aware of any configuration which webcon gives to override this default value unfortunatelly.
* https://learn.microsoft.com/en-us/dotnet/api/system.net.http.httpclient.timeout?view=net-8.0
On the solution - maybe using Run a PowerShell script action would help - handle that request using a PowerShell script, and just call that script from Webcon? However i'm not sure if you need some kind of response from the service.