ShipEngine

ShipEngine is a multi-carrier shipping platform that provides best-in-class shipping functionality directly to e-commerce stores, logistics and warehouse providers, system integrators, e-commerce application integrators, and new application developers. Built specifically for developers, ShipEngine’s robust set of shipping APIs enable developers to build custom workflows within their own platforms and streamline the e-commerce fulfillment process with real-time label generation, rate quoting, parcel tracking, and address validation. ShipEngine supports carriers across the United States, Europe, Canada, and Australia, including USPS, FedEx, UPS, DHL, and many more. ShipEngine is a wholly-owned subsidiary of Stamps.com