Custom Freight Rate Calculator
Real-time LTL freight rate calculation at checkout — something no standard Shopify app could handle.
The Challenge
Built custom Laravel middleware integrated with a freight API to solve real-time LTL rate calculation at checkout — something no standard Shopify app could handle. Had to build liftgate logic and residential vs. commercial delivery detection that directly affected pricing accuracy in real time.
Our Approach
We sat between Shopify checkout and the carrier rate API with a Laravel middleware layer, evaluating product weight/dimension data and shipping address type on every quote request instead of relying on a static rate table.
The Impact
Freight quotes shown at checkout now match what the carrier actually bills, closing the gap that was previously eating into margin on every heavy-freight order and causing post-purchase pricing disputes.
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