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My n8n Invoice Extractor Got 9 of 42 Totals Wrong. The Validation Node That Caught All 9

An invoice extractor that's right most of the time is worse than useless if you can't tell which times. A wrong total doesn't throw an error. It just lands in your sheet looking exactly like a right one. So I fed my n8n invoice extractor 14 real-format documents, 3 times each, and checked every fie…

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  1. 2026-11-04 06:06 · DEV Community — AI
    My n8n Invoice Extractor Got 9 of 42 Totals Wrong. The Validation Node That Caught All 9

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