Answer first
A 3PL invoice audit reviews fulfillment charges line by line instead of only checking the total invoice amount. Mockly starts with the documents your team already has: an invoice, rate card, and supporting exports.
What to check
- Pick, pack, return, and storage rates match the current rate card.
- Invoice quantities can be traced back to order exports or warehouse reports.
- Minimums, project fees, and accessorials follow the contract rules.
- Carrier passthroughs and surcharges have a visible source trail.
Evidence to collect
- 3PL invoice PDF or CSV
- Current rate card or pricing sheet
- Order export CSV
- Storage report
- Contract terms or statement of work
How to frame the dispute
The strongest dispute packets do not accuse the 3PL generally. They isolate a billed line, show the expected amount, cite the supporting document, and ask for either a credit or the missing calculation.
FAQ
How often should a brand audit 3PL invoices?
A monthly review catches rate drift, storage changes, and recurring duplicate charges before they become normal operating leakage.
Can an audit start without warehouse login access?
Yes. The first review can start with documents and exports. Login access is not required for Mockly's initial review.