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Real project · Document processing · Human review

Capture supplier invoices from email with human review

A practical case study of AI-assisted data capture, Telegram approval and document filing, with reported estimates clearly separated from measured results.

By Zaccarie Bouaoun · AIPartnerLens · 13 November 2026

When supplier invoices arrive as PDFs, teams may spend each processing session opening attachments, copying amounts into a spreadsheet and filing the originals. An automated capture workflow can prepare those entries for human review. The key decision is where approval must happen.

A small construction business in France retained approval before every spreadsheet entry. The customer requested anonymity. The implementation and reported results are based on the account of Agent IA Solutions, the provider.

Project at a glance

Went live

March 2026, as reported

Implementation

Two weeks, as reported

Initial fee

€2,500 implementation

Support

€250/month after one free month

From email attachment to an approved spreadsheet entry

The workflow identifies invoice attachments and filters out unrelated images such as logos and email signatures. A vision model reads the PDF and extracts the amounts for review.

It then sends a proposed entry to Telegram. The reviewer can open the original PDF, accept the proposed entry or ignore it. Only after approval are the data written to the spreadsheet. The PDF is archived and the email is marked as processed.

The provider used n8n to connect the steps. The inbox-reading service runs on the customer's server. This project covered preparation of invoice entries and filing, not automatic purchase-order matching, accounting-ledger posting or payments.

Five-step process overview: invoice receipt, data extraction, automatic checks, human validation and export.
Illustrative process diagram. Duplicate detection and auditable approval trails are proposed acceptance checks, not features independently verified in this implementation. The target used in this case was a spreadsheet.

What the reported budget covered

Agent IA Solutions reports that implementation took two weeks and went live in March 2026. The provider quoted a €2,500 setup fee and €250 per month after a free first month of support. VAT not applicable (French small-business VAT exemption, article 293 B of the French Tax Code). The business pays for its tools and hosting separately. Support includes monitoring, alerts, assistance and fixes.

Over twelve months with eleven paid months, the provider fees would total €5,250 before software and hosting. These figures describe this French project, not a standard price guarantee.

Reported time savings are not measured ROI

Sindy El Abed relayed the customer's verbal estimate of approximately three hours saved per monthly processing session. There was no comparable before-and-after timing study. It would be misleading to present the three hours as a verified saving.

For your own business, compare similar invoice batches and include review time, corrections, rejected documents and the work that still needs human handling.

Compare solutions using the same invoice samples

First check whether your existing finance software can already import structured data. Then give every prospective vendor the same small set of anonymised invoices, with a common acceptance checklist.

Sample to testWhat to check
Clear PDF from a known supplierThe proposed fields match the document and link to the original PDF.
Scan with faint or blurred textThe reviewer can identify the values that need checking.
Repeated invoiceThe vendor shows how the workflow detects or handles duplicates.
Approved entryIt is possible to verify where data were saved and who approved them.

Duplicate handling and approval audit trails are proposed tests, not verified features of the reported project. Ask who maintains extraction rules when invoice layouts change and which support costs recur.

To contact the provider of this project directly: Agent IA Solutions.

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