To start using Sand Group in Webshipper, you will need to create them as a carrier.
To do this, go to Connect -> Carriers and find Sand Group in the list. Select it and click "Create Carrier".
You will now be met with the following screen and information:
You will need to enter the following required info provided by Sand Group:
Once entered, all you have to do is press "Create Carrier" and you are all set and ready to start creating shipping methods with Sand Group.
Once you have connected to your carrier, you can start building your desired shipping rates with each of the services available on the carrier.
Simply navigate to Connect > Order channels > Select your channel > Add Shipping rate.
Read more here on how to build shipping rates