Process Gmail invoice PDFs with Gemini OCR, GPT-4o, Slack and Google Sheets

Name: Process Gmail invoice PDFs with Gemini OCR, GPT-4o, Slack and Google Sheets
Author: Rahul Joshi

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Built by

Rahul Joshi

Created on June 13, 2026

Code

n8n-nodes-base.code

Gmail

n8n-nodes-base.gmail

Google Sheets

n8n-nodes-base.googleSheets

HTTP Request

n8n-nodes-base.httpRequest

OpenAI

@n8n/n8n-nodes-langchain.openAi

Slack

n8n-nodes-base.slack