ChargeBasis

INTERACTIVE EXAMPLE

Three findings.
Three different next steps.

Open each comparison, inspect the sources and try changing an input. The sample is fictional.

Start with your own invoices

Upload PDFs, photos or CSVs to your private inbox. The fictional example is below.

Import your invoices
CHARGEBASIS / REVIEW DESK

Your evidence. In one view.

Fictional example · these are not customer savings.Export before closing.
Comparisons3
Price movements1
Agreement checks1
Need clarification1
Price movement

Bread flour

Demo Foods · DEMO-102 · 2026-09-04

Unit-price movement+15%

Unit price changed from the previous invoice. A previous price is not an agreed price; this is not evidence of an overcharge.

CURRENT INVOICE LINE

DEMO-102

Bread flour

Quantity
5 × 20 kg
Net line total
CAD 230.00
Normalized price
CAD 2.30/kg
DEMO-102, page 1, line 1: 5 × 20 kg, C$230 net
COMPARISON SOURCE

DEMO-101

Bread flour

Quantity
4 × 25 kg
Net line total
CAD 200.00
Normalized price
CAD 2.00/kg
DEMO-101, page 1, line 1: 4 × 25 kg, C$200 net
On this billed quantityCAD 230.00 billed − CAD 200.00 comparison = CAD 30.00Net difference, not a verified credit or recovery.
YOUR NEXT STEP

A question with its evidence attached.

For invoice DEMO-102, item Bread flour, our comparison against the earlier invoice (DEMO-101, page 1, line 1: 4 × 25 kg, C$200 net) shows a CAD 30.00 net difference on the billed quantity. Can you confirm the rate and any adjustments that explain this? We understand that a previous price is not a fixed-price agreement. Current source: DEMO-102, page 1, line 1: 5 × 20 kg, C$230 net

Reviewed means you checked the inputs. It does not mean a supplier accepted a correction.

Interactive supplier report example · ChargeBasis