ShipBob is a third-party logistics and e-commerce fulfillment platform that gives Shopify, Amazon, and BigCommerce merchants multi-warehouse inventory storage, two-day shipping coverage, and order management across 50-plus global fulfillment centers. Positioned as e-commerce 3PL fulfillment for Shopify and DTC brands, ShipBob combines distributed inventory management, automated order routing, shipping rate optimization, branded packaging and inserts, returns management, B2B and EDI fulfillment, and integrations with Shopify, BigCommerce, WooCommerce, Amazon, Walmart, and ShipStation. ShipBob is a strong fit for direct-to-consumer brands scaling beyond garage fulfillment, multi-channel e-commerce sellers consolidating warehousing, and Shopify Plus merchants needing two-day delivery promises nationwide.