ShipStation is a shipping fulfillment application that can help manage shipments for your business. They are responsible for printing and generating a shipping label, they also track the inventory management. Chargebee’s role in this integration is to provide an option to export the required data in a format supported by ShipStation, to facilitate direct import (into ShipStation). Based on the criteria selected during the export, the data will provide a list of invoices (orders in ShipStation) that are ready to be shipped out. More here.