Dave Clarke - one of the PMs at SquaredUp here. I’ve raised a feature request to allow you to easily copy the data source config via the UI easily - that should at least give you a template to start working from! That will be released in the next couple of days.
In the meantime, here’s an example Web API config that might get you going:
@zafar.raza It’s now possible to copy the (JSON) config of a data source with just a click. When creating, or editing an existing, data source select […] → Copy JSON configuration to copy the current configuration. Give it a try and let me know if it helps!