Upload
Bring the invoice, applicable agreement and container event records together. Manual upload keeps setup simple.
Preview hosting currently requires ChatGPT sign-in. The sample needs no PortClaim registration or payment; private pilot access is separate.
CONTAINER DETENTION & DEMURRAGE
Find the container charges
that don’t add up.
Identify potentially incorrect detention and demurrage charges. See the calculation, check the evidence, and prepare a dispute your team can stand behind.
No invoice upload for the sample · No complex integrations
FOR FREIGHT FORWARDERS, IMPORTERS & LOGISTICS FINANCE TEAMS
AUDIT EXAMPLESYNTHETIC DATA
PC-DEMO-2609Import demurrage · one container
USDInvoice amount$2,400
Recalculated amount$1,650
POTENTIAL DISCREPANCY$750.00
A flat rate missed the agreed tiers.
3 days × $250 + 2 days × $450 = $1,650.
Invoice Contract Gate records
Illustrative calculation, not customer savings or a confirmed refund.
Calculations you can inspect Evidence you can trace A human makes the final call
SEE THE WORK, NOT JUST THE RESULT
Open the invoice.
Follow the difference.
A functional sample audit. Switch scenarios, inspect the documents, and change an assumption to see the calculation update. All data is fictional.
Recalculated amount$1,650
Potential discrepancy$750Not a confirmed refund
The invoice uses a flat $480 daily rate. The supplied agreement has a two-tier rate schedule.
Every day accounted for5 billable days
| Date | Applied treatment | Amount | Source |
|---|---|---|---|
| Oct 1 | Allowed free time | $0 | |
| Oct 2 | Allowed free time | $0 | |
| Oct 3 | Allowed free time | $0 | |
| Oct 4 | Allowed free time | $0 | |
| Oct 5 | Billable day 1 · $250 | $250 | |
| Oct 6 | Billable day 2 · $250 | $250 | |
| Oct 7 | Billable day 3 · $250 | $250 | |
| Oct 8 | Billable day 4 · $450 | $450 | |
| Oct 9 | Billable day 5 · $450 | $450 | |
| Recalculated amount | $1,650 | ||
Synthetic inputs. Real arithmetic. No visitor files, AI calls or personal data are used in this demo.
Have invoices like this on your desk?
Request a walkthrough for your workflowA SMALLER WORKFLOW. A CLEARER ANSWER.
From invoice to a
well-supported next step.
Start with documents you already have. PortClaim helps you organize the facts before you decide what to challenge.
Audit
Review extracted facts and compare the charge with documented dates, free time and rates. Inspect any gaps before accepting a finding.
Prepare Dispute
Build an editable draft and evidence checklist. Export your materials, review them, and submit through the billing party’s process.
THE EVIDENCE IS THE PRODUCT
“Why is this charge different?”
should have a useful answer.
A number alone is not enough to challenge an invoice. PortClaim brings the calculation and its supporting facts into the same review.
- Source-linked factsCheck identifiers, dates and extracted terms against your documents.
- Visible assumptionsReview counting conventions and rate tiers. Weekends are counted unless the supplied rules say otherwise.
- Honest uncertaintyUnreadable fields and missing documents stay marked for review. An estimate never becomes a recorded recovery.
EXAMPLE FINDING · SYNTHETIC
Rate schedule mismatch
- Invoice
- 5 days at $480/day
- Contract §4.2
- First 3 billable days at $250;
then $450/day - Gate records
- Available Oct 1 · outgate Oct 9
- Free time
- 4 calendar days · inclusive start
Difference to investigate$750
Review the complete terms and evidence before requesting an adjustment.
WHAT TO BRING
Your first audit starts
with three documents.
No connection to your billing system required. If a document is missing, keep the conclusion open until the relevant facts are verified.
Discuss your invoice workflow01
The complete invoice
All pages, container and bill-of-lading identifiers, charged dates, amounts and accompanying billing terms.
02
The applicable rate agreement
Service contract, tariff or terminal schedule with the exact free-time clause, daily rates and counting conventions.
03
The container event evidence
Availability, gate-out and return records. Include dated appointment screenshots or correspondence where relevant.
Current uploads: PDF, JPG, PNG and TXT · up to 10 MB per file · one invoice per case.
BUILT FOR THE FIRST FIVE INVOICES
Start with a focused pilot.
Earn confidence before scaling.
Bring a small batch of recent container D&D invoices. We’ll use the pilot to assess document quality, review the workflow and understand which findings are useful to your team.
Discuss a pilot No card required. No live billing. Pilot availability and terms are agreed before onboarding.PROPOSED PLANS · NOT YET APPROVED
Simple volumes. Clear boundaries.
Starter25 audits / month
$149/moGrowth100 audits / month
$399/moBusiness300 audits / month
$899/moIndicative software subscription prices only. These plans are not available for purchase. Scope, limits and final pricing may change following pilot feedback.
TRUST THROUGH CLARITY
Know what the software does.
And what stays with your team.
Access-checked documents
Pilot records and files are checked server-side for the signed-in account. Public visitors only see synthetic sample data.
Deterministic calculations
AI extracts invoice facts in the pilot. Date and arithmetic checks run in code from entered facts, with human confirmation.
You control submission
No automatic carrier emails, portal submissions or guaranteed recovery claims. Review and export before sending yourself.
THE PRACTICAL QUESTIONS
Before you
upload an invoice.
How accurate is the audit?
Document extraction can make mistakes. In the pilot you review extracted fields against your invoice before relying on a finding. Dates and charges are calculated by deterministic code from the rules you supply. Missing evidence produces a review warning, not an invented conclusion. The sample uses explicit, synthetic terms and is not a real invoice audit.
Does a discrepancy mean I will get a refund?
No. A calculation difference is a potential issue to investigate. Whether a charge should be adjusted depends on the complete agreement, the facts, applicable requirements and the billing party's review. PortClaim does not guarantee a refund or provide a legal determination.
What happens to my documents?
The pilot stores case records in Cloudflare D1 and uploaded documents in private R2 storage. Server checks control access to each case and file. Selecting AI extraction sends that invoice to OpenAI with response storage disabled; that setting is not a zero-retention guarantee. Supporting files are not automatically submitted for AI extraction. You can permanently delete your case and files. See our data-handling notice for limits.
Which carriers and trades are supported?
The pilot accepts manually uploaded PDF, JPG, PNG and TXT documents up to 10 MB each. It focuses on US import container detention and demurrage. There are no certified carrier integrations or automatic tariff feeds. Carrier-specific instructions and unusual invoices need manual review. Vessel charter-party laytime is outside this product's scope.
Will PortClaim send a dispute for me?
No. You review and edit the draft, export the packet, and submit it yourself through the carrier's current process. The packet lists supporting files; attach original evidence separately. PDF export currently uses your browser's Print / Save as PDF dialog.
Do I need a TMS integration?
No. Manual upload is the current pilot workflow. There are no live TMS, carrier-portal, Gmail or Outlook integrations. That keeps the first review focused on documents you already have.
Is the sample a real AI audit?
It is a functional deterministic calculation using fictional documents. Changing the free-time assumption recalculates the itemized result. It does not call an AI service or send visitor documents anywhere. The private pilot separately supports live OpenAI invoice extraction.
What happens after I request access?
Your request is saved for the PortClaim owner to review, including your role, invoice volume and workflow needs. The form does not create a subscription, automatically grant access or book a meeting. Availability and pilot terms are agreed before onboarding.
LET’S REVIEW YOUR WORKFLOW
Bring the invoice.
We’ll start with
the questions.
Tell us who reviews D&D charges on your team and how many invoices you handle. Request a demo or early access to the private pilot.
- Designed for forwarders and importers
- Start with manual uploads
- No subscription created by this form