--- title: "Order Consolidation for Smarter Shipping" url: "https://www.shipstation.com/fulfillment/api/order-consolidation/" type: "page" modified: "2026-10-02T14:42:53-05:00" --- Save more with order consolidation =================================== Merge multiple orders into one shipment to cut shipping costs, reduce packaging waste, and deliver a seamless experience without changing your workflows. [ Get the API Now ](/get-api) [ Talk to an Expert ](/contact-us) ![Order consolidation API.](https://www.shipstation.com/wp-content/uploads/2026/02/order-consolidation-for-smarter-shipping-and-happier-customers-260220-1206.webp) Connected to the platforms that power your business - ![Paypal logo](https://www.shipstation.com/wp-content/uploads/2026/04/Paypal-icon-card.svg) - ![DHL logo](https://www.shipstation.com/wp-content/uploads/2026/04/DHL-icon-card.svg) - ![Bigcommerce logo](https://www.shipstation.com/wp-content/uploads/2026/04/bigcommerce-icon-card.svg) - ![FedEx logo](https://www.shipstation.com/wp-content/uploads/2026/04/FedEx-Icon-Card.svg) - ![Walmart](https://www.shipstation.com/wp-content/uploads/2026/04/Walmart-icon-card.svg) - ![Etsy logo](https://www.shipstation.com/wp-content/uploads/2026/04/ETSY-icon-card.svg) - ![Amazon logo](https://www.shipstation.com/wp-content/uploads/2026/04/Amazon-icon-card.svg) - ![Squarespace logo](https://www.shipstation.com/wp-content/uploads/2026/04/Squarespace-commerce-icon-card.svg) - ![WIX logo](https://www.shipstation.com/wp-content/uploads/2026/04/WIX-icon-card.svg) - ![Shopify Logo](https://www.shipstation.com/wp-content/uploads/2026/04/Shopify-icon-card.svg) - ![Ebay logo](https://www.shipstation.com/wp-content/uploads/2026/04/ebay-icon-card.svg) - ![USPS logo](https://www.shipstation.com/wp-content/uploads/2026/04/USPS-icon-card.svg) - ![Salesforce logo](https://www.shipstation.com/wp-content/uploads/2026/04/Salesforce-icon-card.svg) - ![UPS logo](https://www.shipstation.com/wp-content/uploads/2026/04/UPS-icon-card.svg) - ![Intuit logo](https://www.shipstation.com/wp-content/uploads/2026/04/Intuit-icon-card.svg) - ![Woo Commerce logo](https://www.shipstation.com/wp-content/uploads/2026/04/Woo-commerce-icon-card.svg) - ![TikTok logo](https://www.shipstation.com/wp-content/uploads/2026/04/Tiktok-icon-card.svg) - ![Paypal logo](https://www.shipstation.com/wp-content/uploads/2026/04/Paypal-icon-card.svg) - ![DHL logo](https://www.shipstation.com/wp-content/uploads/2026/04/DHL-icon-card.svg) - ![Bigcommerce logo](https://www.shipstation.com/wp-content/uploads/2026/04/bigcommerce-icon-card.svg) - ![FedEx logo](https://www.shipstation.com/wp-content/uploads/2026/04/FedEx-Icon-Card.svg) - ![Walmart](https://www.shipstation.com/wp-content/uploads/2026/04/Walmart-icon-card.svg) - ![Etsy logo](https://www.shipstation.com/wp-content/uploads/2026/04/ETSY-icon-card.svg) - ![Amazon logo](https://www.shipstation.com/wp-content/uploads/2026/04/Amazon-icon-card.svg) - ![Squarespace logo](https://www.shipstation.com/wp-content/uploads/2026/04/Squarespace-commerce-icon-card.svg) - ![WIX logo](https://www.shipstation.com/wp-content/uploads/2026/04/WIX-icon-card.svg) - ![Shopify Logo](https://www.shipstation.com/wp-content/uploads/2026/04/Shopify-icon-card.svg) - ![Ebay logo](https://www.shipstation.com/wp-content/uploads/2026/04/ebay-icon-card.svg) - ![USPS logo](https://www.shipstation.com/wp-content/uploads/2026/04/USPS-icon-card.svg) - ![Salesforce logo](https://www.shipstation.com/wp-content/uploads/2026/04/Salesforce-icon-card.svg) - ![UPS logo](https://www.shipstation.com/wp-content/uploads/2026/04/UPS-icon-card.svg) - ![Intuit logo](https://www.shipstation.com/wp-content/uploads/2026/04/Intuit-icon-card.svg) - ![Woo Commerce logo](https://www.shipstation.com/wp-content/uploads/2026/04/Woo-commerce-icon-card.svg) - ![TikTok logo](https://www.shipstation.com/wp-content/uploads/2026/04/Tiktok-icon-card.svg) Fewer boxes. Better customer experience. ---------------------------------------- Consolidate orders headed to the same address into one shipment to protect margins and simplify fulfillment from checkout to doorstep. ![](https://www.shipstation.com/wp-content/smush-webp/2026/02/icon-bbe346b15ef9.png.webp) ### Cut shipping costs without cutting service Combine orders by customer or address so you ship fewer packages and avoid unnecessary surcharges. Reduce dimensional weight exposure, lower carrier fees, and protect costs. ![](https://www.shipstation.com/wp-content/smush-webp/2026/02/icon-0847ee25c01f.png.webp) ### Make deliveries easier to track Give customers one shipment and one tracking experience for compatible orders in the same box or truck—reducing confusion and “Where is the rest of my order?” contacts. ![](https://www.shipstation.com/wp-content/smush-webp/2026/02/icon-5652bdc14ed0.png.webp) ### Simplify fulfillment operations Avoid manual errors. ShipStation API automates the logic within your existing OMS, creating a consistent, repeatable workflow across teams and fulfillment locations. Savings you can see on every label ---------------------------------- We’ve helped over 1 million businesses cut the cost of printing shipping labels. ![](https://www.shipstation.com/wp-content/uploads/2026/04/awardbadge_1_3x.webp) ![](https://www.shipstation.com/wp-content/uploads/2026/04/awardbadge_3_3x.webp) ![](https://www.shipstation.com/wp-content/uploads/2026/04/awardbadge_2_3x.webp) ![](https://www.shipstation.com/wp-content/uploads/2026/04/awardbadge_5_3x.webp) ![](https://www.shipstation.com/wp-content/uploads/2026/04/awardbadge_6_3x.webp) ![](https://www.shipstation.com/wp-content/uploads/2026/04/awardbadge_6_3.webp) Google 4.9 rating 67 reviews Capterra 4.6 rating 897 reviews G2 4.3 rating 531 reviews Order consolidation features built for real-world fulfillment ------------------------------------------------------------- Use ShipStation APIs to consolidate parcel and LTL freight shipments based on rules you define in your order management system. Programmatically group eligible order items into a single shipment while maintaining control over delivery promises and service levels. ### Combine multiple orders into one shipment Programmatically group eligible sales orders that share a customer or destination. Your system evaluates address, timing, inventory availability, fulfillment location, and service levels—then creates consolidated shipments via the ShipStation API when it improves efficiency, or keeps orders separate when speed or inventory requires it. ![Order management in ShipStation.](https://www.shipstation.com/wp-content/uploads/2026/02/combine-multiple-orders-into-one-shipment-260220-1206.webp) ### Extend consolidation to LTL freight Not every heavy or multi-package shipment needs freight. Volume-based parcel pricing can combine package weights to lower costs while keeping shipments in the parcel network. But when size and weight limits, dimensional pricing, or surcharges drive up costs—or multiple packages make more sense on a pallet—LTL can be the smarter option. ![Explore the advantages of parcel and LTL shipping with ShipStation and learn how having both shipping modes gives your business more flexibility.](https://www.shipstation.com/wp-content/uploads/2026/08/parcel-freight-shipstation.webp) ### Define flexible consolidation rules Configure consolidation logic within your existing systems—such as time windows, order value thresholds, product exclusions, service levels, and warehouse eligibility. Once your business rules are set in your OMS, ShipStation APIs execute those decisions in real time as shipments are created. ![Define Flexible Consolidation Rules 260220 1206.](https://www.shipstation.com/wp-content/uploads/2026/02/define-flexible-consolidation-rules-260220-1206.webp) Testimonials Hear From our Customers ----------------------- [![wellspring gardens shipstation inventory sync](https://www.shipstation.com/wp-content/uploads/2026/10/wellspring-gardens-shipstation-inventory-sync-768x432.webp)](https://www.shipstation.com/stories/wellspring-gardens/) ### [Growing Pains, Solved: How Wellspring Gardens Keeps 865 SKUs in Sync Across 6 Marketplaces](https://www.shipstation.com/stories/wellspring-gardens/) "ShipStation's inventory sync is our source of truth for all of our products." [Read Story](https://www.shipstation.com/stories/wellspring-gardens/) [![the peach truck shipstation automation rules](https://www.shipstation.com/wp-content/uploads/2026/10/SnapInsta.to_771108590_18616644127042852_8656524296294909251_n-768x511.webp)](https://www.shipstation.com/stories/the-peach-truck/) ### [How The Peach Truck Ships 250,000 Boxes of Peaches a Season with ShipStation Automation Rules](https://www.shipstation.com/stories/the-peach-truck/) "That way we can just print the labels. With ShipStation's automation rules, we don't even have to think about it." [Read Story](https://www.shipstation.com/stories/the-peach-truck/) [![duraweather poly ltl in shipstation](https://www.shipstation.com/wp-content/uploads/2026/09/SnapInsta.to_763692413_1517105007110198_6767432365517191947_n-768x512.webp)](https://www.shipstation.com/stories/duraweather-poly/) ### [How LTL Shipping in ShipStation Cut DuraWeather Poly’s Shipping Time by 40%](https://www.shipstation.com/stories/duraweather-poly/) "Having LTL in ShipStation has reduced confusion, and it helps us ship orders quicker, because we have a lot of orders." [Read Story](https://www.shipstation.com/stories/duraweather-poly/) ### Save money, stay sustainable Fewer boxes mean fewer labels, cartons, pickups, and surcharges. Order consolidation can lower dimensional weight exposure, reduce carrier spend, and support sustainability goals—improving cost control while minimizing packaging waste across your fulfillment network. ![Carrier management in ShipStation.](https://www.shipstation.com/wp-content/uploads/2026/02/reduce-packaging-waste-and-carrier-fees-260220-1206.webp) ### Keep orders moving together across locations Operating multiple warehouses or managing 3PLs? ShipStation evaluates inventory location, cutoff times, routing logic, and SLA requirements before consolidating—helping you avoid unnecessary split shipments while maintaining inventory accuracy and protecting delivery promises. ![Order management in ShipStation.](https://www.shipstation.com/wp-content/uploads/2026/02/keep-orders-moving-together-across-locations-260220-1206.webp) ### Centralize orders before consolidation begins Unify order data from multiple carts, marketplaces, and systems into a single stream before items are grouped together—so every shipment is evaluated consistently across channels, inventory locations, and service levels. One source of truth. Smarter grouping decisions. ![Order management in ShipStation.](https://www.shipstation.com/wp-content/uploads/2026/02/centralize-orders-before-consolidation-begins-260220-1206.webp) RELATED CONTENT Helpful Shipping Resources -------------------------- Browse additional articles, guides, and insights related to shipping and fulfillment. These resources provide practical advice and best practices to support your day-to-day operations. ![ShipStation exchanges icon.](https://www.shipstation.com/wp-content/uploads/2025/12/IconExchanges-BrandShipstation-2-colorTrue.svg)##### The Cheapest Way to Ship Packages Finding the cheapest way to ship a package doesn’t mean sacrificing quality. Affordable shipping rates are available to anyone that knows where to look. [Read the Blog](/blog/cheapest-way-to-ship/) ![ShipStation currency02 icon.](https://www.shipstation.com/wp-content/uploads/2025/12/IconCurrency02-BrandShipstation-2-colorTrue.svg)##### Calculate Shipping Costs and Start Saving Now Whether you’re shipping a single order or managing high-volume ecommerce fulfillment, ShipStation’s shipping cost calculator helps you get fast, reliable quotes from top carriers so you can save time and money with every label. [Use the Shipping Rates Calculator](/fulfillment/shipping/shipping-rates-calculator/) ![Carriers icon.](https://www.shipstation.com/wp-content/uploads/2026/07/automation-guide-icon-carriers.png)##### Freight Optimization: How to Build a Smarter LTL Shipping Strategy Learn how freight optimization helps reduce shipping costs, improve LTL efficiency, strengthen carrier strategy, and build a smarter supply chain. [Read the Blog](/blog/freight-optimization-how-to-build-a-smarter-ltl-shipping-strategy/) Ready to get started? --------------------- ShipStation API removes the complexities of shipping. Scale your business with our industry-leading API, comprehensive documentation, and vast carrier network. [Get the API Now](/get-api) [Talk to an Expert](/contact-us) ### Order Consolidation FAQs ##### What is an order consolidation API? An order consolidation API identifies multiple orders going to the same customer or address and combines them into a single shipment. Instead of processing each order separately, your system creates one bundled delivery—reducing cost and simplifying fulfillment. ##### How does consolidation reduce shipping costs? By reducing the number of labels, cartons, and pickups per customer. Fewer packages typically mean fewer surcharges, lower dimensional weight exposure, and reduced overall carrier spend. ##### Does order consolidation impact delivery speed? Not when configured correctly. ShipStation applies your timing and service rules before consolidating. Orders are only grouped when they can ship together without missing delivery commitments or cutoff times. ##### How does consolidation affect inventory accuracy? The API evaluates inventory availability before merging orders. If items are split across locations or unavailable within your defined window, consolidation will not occur. This protects inventory integrity and prevents downstream fulfillment issues.