It covers order management, inventory, warehouse management, purchasing, manufacturing, and financials in one system. io outsources physical fulfillment to a 3PL, the integration needs to define which system controls warehouse operations and how both systems stay aligned. io’s operational and financial records with athird-party logistics provider’swarehouse and transportation systems through Fulfil. io to the provider for physical fulfillment and returns inventory updates, shipment confirmations, and tracking data back to the ERP. What makes this integration different from connecting a storefront like Shopify to a 3PL is that Fulfil.