SMSA Shipping App. (official)

This app enables you to create SMSA shipping labels, track orders, fulfill your customer's orders, and track them from pick-up until delivery. The SMSA app enables shops to connect their Shopify e-commerce store in a simplified process. You can use the app whether you are an existing customer with an account number (postpaid plan) or a new customer exploring SMSA's shipping solution (prepaid plan).