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Are you overpaying for freight?

Upload a CSV or PDF of past freight invoices and instantly see how much you would have saved shipping with Warp. No login required.

How it works: Upload your invoice file. We re-quote every shipment using live Warp rates, then generate a savings report with side-by-side comparison, charts, and a downloadable CSV.

Why freight invoices need auditing

Carrier billing errors are more common than most shippers realize. Industry estimates suggest that 5-10% of freight invoices contain at least one overcharge — from duplicate charges and incorrect weights to fuel surcharge miscalculations and missed contract discounts. Without a systematic audit process, these errors go undetected and shippers overpay by thousands of dollars per year.

The complexity of LTL pricing makes errors almost inevitable. Base rates, fuel surcharges, accessorial fees, discount tiers, and freight class all interact. A single mistake in any of these variables produces an incorrect invoice that looks plausible unless someone checks every line item against the carrier tariff and contract.

How to audit a freight invoice

Start by comparing the billed weight and freight class against the bill of lading and commodity description. Verify that the fuel surcharge percentage matches the carrier tariff for the shipment date. Check that your contracted discount tier was applied correctly. Look for accessorial charges that were not part of the original quote or agreement. Finally, check for duplicate invoice numbers or overlapping charges for the same shipment.

For service-guaranteed shipments that arrived late, confirm that the carrier applied the guaranteed service refund. Many carriers do not automatically credit late deliveries — you have to file a claim within 15 days to recover the refund.

Warp invoices match the quote — every time

Warp eliminates invoice auditing entirely through all-inclusive pricing. There are no fuel surcharges to verify, no accessorial fees to dispute, no freight class reclassifications, and no discount tiers to track. The invoice always matches the quote. With Warp, there is nothing to audit because the price you are quoted is the price you pay.

Freight invoice audit FAQ

Why is freight invoice auditing important?

Freight invoice auditing is important because carrier billing errors are common, occurring on an estimated 5-10% of all freight invoices. These errors include duplicate charges, incorrect weights, wrong freight classes, unapproved accessorials, and missed discount tiers. Without regular audits, shippers overpay by thousands of dollars each year on charges that should never have appeared on their invoices.

What are the most common freight invoice overcharges?

The most common freight invoice overcharges are duplicate charges ($200-$2,000), wrong discount tiers ($100-$1,500), incorrect freight class ($100-$800), incorrect weight ($50-$500), incorrect fuel surcharge percentages ($50-$400), unapproved accessorial fees ($75-$300), and missed late delivery credits ($50-$500). Billing address errors are also frequent and can delay dispute resolution.

How does Warp eliminate freight invoice errors?

Warp eliminates freight invoice errors through all-inclusive pricing. The invoice always matches the quote — there are no fuel surcharges to verify, no accessorial fees to dispute, no freight class reclassifications, and no discount tiers to track. With Warp, there is nothing to audit because the price you are quoted is the price you pay.

Stop auditing freight invoices

Warp invoices match the quote. All-inclusive pricing means nothing to audit, nothing to dispute, nothing to recover.

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