Categories / Invoicing/Collections/Cash Flow

Extract invoice data and file it into a bookkeeping sheet

low specificsAdded 2026-10-14
Business
not stated (from agentusecases.ai summary)
Task
Users upload an image or PDF through a web page to an n8n webhook, which looks up the user by token in Google Sheets. Images go to OpenAI vision. PDFs have their text extracted first, then analyzed. The model returns structured JSON (date, merchant, gross amount, VAT rate, catego
Result
The source gives no accuracy or time-saving figures. It describes a working prototype with a demo video. The public repo holds sanitized exports that won't run until you configure your own credentials and IDs.
Tools
  • n8n
  • ChatGPT
  • Google Sheets
Setup
  1. Users upload an image or PDF through a web page to an n8n webhook, which looks up the user by token in Google Sheets. Images go to OpenAI vision. PDFs have their text extracted first, then analyzed. The model returns structured JSON (date, merchant, gross amount, VAT rate, category) for the user to review and edit. On save, the file goes into a Drive user/month folder, and the data is appended to a yearly sheet.
  2. Catch: You need your own OpenAI, [Card from agentusecases.ai summary
  3. original not re-read this run.]
Source
agentusecases.ai ↗
Specifics rating
low specifics high = concrete numbers/quotes; med = partial; low = qualitative

Results as reported by the source; not independently verified.

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