Build The Invoice Line-Item Reconciliation Detective, a tool that compares supplier invoices against purchase orders and delivery records at the individual line-item level.
Allow users to upload supported CSV or Excel files containing product descriptions, item codes, quantities, unit prices, taxes, discounts, and order references.
The application must:
Match line items using identifiers and configurable text-similarity rules.
Detect quantity differences, price changes, duplicate charges, missing items, and inconsistent totals.
Compare unit-of-measure differences where conversion rules are supplied.
Identify invoices that cannot be matched confidently.
Calculate the financial value of each discrepancy.
Create a review queue ranked by value and uncertainty.
Allow users to approve, reject, or annotate proposed matches.
Generate an audit trail and reconciliation report.
Export unresolved discrepancies for follow-up.
Include synthetic examples with exact matches, partial deliveries, changed item descriptions, and duplicate invoice lines. Do not automatically label discrepancies as fraud. Keep matching rules visible, preserve source records, and require human review for uncertain matches.
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