Hello!
I installed the plugin ShipStation in my store and I followed the instructions to create the account on shipstation web site, I have some doubts regarding the account with the suppliers, do I have to re-create accounts with them if I already have them? for example with UPS.
Is there a way to use the plugin in a test environment or is it all in production?
With this plugin will I get the rate and also the tracking number of UPS in my store? Or it is like the UPS plugin that one must enter the shipment of the product, obtain the tracking number and enter it manually in the store

I'm using version 4.20.
Hope you can help me.