Shipping audit resources
Guides and free tools for checking UPS and FedEx invoices. Every carrier rule on these pages carries its source link and an as-of date.
Free tools
Both run in your browser. Nothing you enter is sent anywhere.
Dimensional weight calculator
Free calculator: dimensional, actual and billable weight.
Parcel refund eligibility checker
Free questionnaire: is a refund or dispute still open?
Guides and checklists
UPS invoice audit: what to check, and by when
The 180-day window, charges to check and how Billing Center disputes work.
FedEx invoice audit: overcharges, deadlines and disputes
FedEx's overcharge definition, the right export and Money-Back Guarantee limits.
Parcel audit: what it checks, what it cannot
What an audit checks, what it refuses to do and the deadlines that matter.
Shipping overcharge checklist for UPS and FedEx
A seven-point checklist for spotting overcharges on any invoice.
Address correction charges: a checklist
When the fee applies and how to tell if the address really changed.
Shipping surcharge audit: what can be checked
Additional Handling thresholds, residential rules and what cannot be checked.
Carrier rules are cited to the carriers' own documents and dated 2026-10-29.
Frequently asked questions
Where do the carrier rules on these pages come from?
From the carriers' own published documents, such as the FedEx Service Guide 2026 and the 2026 UPS U.S. terms, each linked on the page where it is used with an as-of date. Where we could not confirm a rule, the page says to check the current carrier terms.
Are the tools free?
Yes. Both run in your browser and do not send what you enter to any server.
Is RefundDock affiliated with UPS or FedEx?
No. RefundDock is an independent service. UPS and FedEx are trademarks of their respective owners.
Free audits are not open yet. They open at launch.
Our fee is 20% of credits the carrier actually applies to your account. If there are no credits, you pay nothing.