Merchant Stack
Merchant StackYOUR STORE'S OPERATING SYSTEM
Financial Protection

AI Invoice Checker

AI scans every invoice for errors, overcharges, and duplicate items — before you approve payment.

Invoice CheckerAI
#4521Supplier Co
✓ Clean
$2,450
#4522Distribution Ltd
✓ Clean
$1,875
#4523Wholesale Inc
⚠ Issues
$3,200$850 overcharge · Duplicate line
Scan Summary
3 invoices · $850 caught

Financial Protection

Catch every overcharge before it costs you money

Intelligent invoice verification that uses AI to scan every invoice for errors, overcharges, duplicate line items, and suspicious activity. Catch issues before approving payments and save thousands in fraudulent charges.

  • AI scans every invoice for errors and overcharges
  • Flags duplicate items, inflated pricing, fraud patterns
  • Audit trail & compliance documentation included

What's included

Core capabilities

Automated Invoice Scanning

AI reviews every invoice instantly for errors, inconsistencies, and suspicious patterns.

Overcharge Detection

Catches pricing errors and overages before they drain your budget or go unnoticed.

Duplicate Detection

Identifies duplicate line items and duplicate invoices across your entire history.

Payment Approval Workflow

Flag problematic invoices for human review before approving any payment.

By the numbers

Results merchants see

80%
Reduction in manual invoice processing
$850
Average errors caught per invoice batch
100%
Invoices automatically audited
2sec
Average AI scan time per invoice

The process

From upload to approval in seconds

01

Upload the Invoice

Drop in a PDF, image, or forward an email. Merchant Stack extracts and reads the data instantly.

02

AI Scans for Issues

Our system checks for overcharges, duplicates, mismatched POs, and suspicious line items automatically.

03

Approve or Flag

Clean invoices flow straight to approval. Flagged ones are highlighted with specific issues for your review.

Why merchants love it

Real business impact

  • 1
    Prevent payment fraud and costly errors automatically
  • 2
    Save thousands annually by catching overcharges
  • 3
    Streamline invoice approval with smart flagging
  • 4
    Maintain better supplier compliance and records
  • 5
    Reduce manual invoice processing by 80%

Real-world use cases

Bulk Invoice Verification

Volume

Process 100+ invoices daily with AI flagging errors instead of manual auditing by your team.

Fraud Prevention

Fraud

Catch duplicate invoices, inflated pricing, and suspicious patterns before payment approval.

Compliance & Records

Compliance

Maintain audit-ready invoice records with automated flagging and documentation trails.

Get started today

Never overpay on invoices again

Let AI review every invoice and protect your bottom line from fraud and costly errors automatically.

No credit card required · Join 200+ early merchants