Extracting invoices from Gmail with n8n and Gemini, then checking the IBAN before anyone pays it
This story is from 2026-10-18. It is preserved in the archive; the latest stories are on the live feed.
Most invoice automations stop at extraction: an LLM pulls the vendor, total and bank details out of a PDF, and the numbers go straight into a spreadsheet or ledger. The risky part is that an LLM can read a perfectly formatted IBAN with one wrong digit, and nothing downstream notices. This post walk…
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- 2026-10-18 08:41 · DEV Community — AI
Extracting invoices from Gmail with n8n and Gemini, then checking the IBAN before anyone pays it
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