The ecwid Integrator picks up where the the ecwid QuickBooks exporter leaves off. Tighter integration using xml enables error checking ensuring accurate accounting entries. Supports Stamps.com. Print Pre-Paid USPS Shipping Labels. Updates tracking information back to ecwid and updates shipment status. With the addition of Shipwire support the ecwid integrator levels the playing field for small business to compete with much larger corporations. Supports all windows desktop versions of QuickBooks as well as QuickBooks Online !