Screen supplier invoices for duplicates and GST gaps
An AP workflow checks incoming supplier bills against past records so a person can review problems before approval.
- What they did
- Invoices arrive in a shared inbox, where an AP tool pulls out the key data. A custom agent then compares each bill with earlier transactions to catch duplicates, amount mismatches, and invoices that are missing GST. The poster connected the process with nexos.ai and said the setup took about 20 minutes, but they still handle the final check themselves.
- How it went
- They said the system frees up a lot of time over the course of a month and now also gives them a weekly recap. Even so, they still verify and approve the invoices manually, and they do not want AI making decisions about payments, tax returns, or BAS submissions without review.
- Tips
- Use the agent to surface issues, not to replace human signoff. Treat any payment or tax-related step as review-only until a person has confirmed it.
Try it yourself with n8n
Create a workflow for supplier invoices that come into [shared inbox]. Have an AP tool extract the invoice fields, then compare each record with [past transactions / accounting data] to spot duplicates, incorrect amounts, and missing [GST] details. Send anything suspicious to [review queue / Slack / sheet] and stop before any payment, filing, or submission step. Wait for a human to approve the final action after checking a test set of invoices first.
Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.
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