First, sign up for Shippo or login to your account and check that Shippo's UPS master account is active within your Shippo settings. Click here for instructions on how to enable this.
Next, within SKULabs, click Settings > Shipping > Add carrier > Other... or follow this link to our Other carriers setup:
Set an Account nickname and choose "Shippo (other Carriers)" from the Type field dropdown.
Once selected, the window will include some short instructions to connect:
Sign up for or login to your Shippo account to get your "API Live Token", copy it and paste it into the API Live Token Field below
Select Carrier Type
Click "Fetch carrier" to verify we can access your account and get a list of carriers for the Carrier Type you selected
Select from the list of "Fetch Results"
Save