Classify Gmail invoice attachments with Google Gemini and forward to freee — n8n Workflow

Medium complexity⚡ Trigger9 nodes🏷️ Invoice Processingby daisuke

Overview

Classify and forward Gmail invoice attachments to freee with Google Gemini

Automatically analyze email attachments with AI and forward invoices/receipts to freee's File Box.

How it works

Polls Gmail for new emails with attachments every minute Extracts text from PDF attachments and sends it to Google Gemini for classification If Gemini identifies the document as an invoice or receipt, re-fetches the attachment and forwards it to freee's File Box email address

Setup steps

Get freee receiving

Nodes used

GmailGoogle Gemini

Workflow Preview

Classify and forward Gmail invoice attachment
Automatically analyze email attachments with AI and for
How it works
1. P
Receive & Filter
Polls Gmail every minute and filters out emails without
AI Classification
Extracts text from the PDF attachment, then sends it al
Forward to freee
Re-fetches the original attachment and forwards the ema
⚡
G
Gmail Trigger
H
Has Attachment
N
No Attachment - End
I
Is Invoice or Receipt
N
Not Target - End
Forward to freee
Classify Invoice/Receipt…
E
Extract Text from PDF
Get Attachment
9 nodes8 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 9 nodes, connecting extractfromfile, gmail, gmailtrigger.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (9)

GM

Gmail

gmail

#1
GO

Google Gemini

n8n-nodes-langchain.googleGemini

#2

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded classify-gmail-invoice-attachments-with-google-gemini-and-forward-to-freee file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Classify Gmail invoice attachments with Google Gemini and forward to freee", "nodes": [...], ...}

Integrations

extractfromfilegmailgmailtriggergooglegeminiif

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes9
Complexitymedium
Triggertrigger
CategoryInvoice Processing

Created by

daisuke

daisuke

@daisuke

Tags

extractfromfilegmailgmailtriggergooglegeminiif
⚡

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