Financial Document Extraction from Gmail to Google Sheets — n8n ワークフロー

複雑度 トリガー20個のノード🏷️ Invoice Processing👁 240回閲覧作成者:Gtaras

概要

Overview Manual financial reconciliation is tedious and prone to error. This workflow functions as an AI Financial Controller, automatically monitoring your inbox for invoices, receipts, and bills, extracting the data using OCR, and syncing it to Google Sheets for approval.

Unlike simple scrapers, this workflow uses a "Guardrail" AI agent to filter out non-financial emails (like newsletters) before they are processed, ensuring only actual transactions are recorded.

Who is it for? Finance Teams

使用ノード

Google SheetsGmailCodeAI AgentOpenAI Chat ModelGoogle Gemini Chat ModelGuardrails

ワークフロープレビュー

1. Finance Guardrails
Uses Gemini/LangChain to detect if the email is actuall
2. Dual Extraction Path
If Attachment -> PDF OCR Agent
If No Attachment -> Email Body Agent
Both normalize data into the same JSON structure.
3. Business Logic
- GL Coding: Auto-categorizes vendors (Uber -> Travel).
- Thresholds: Flags high amounts (> $1000) for approval
Overview
Gtaras
Manual financial reconciliation is tedious and prone to
⚠️ Error Handling Flow
Any failures are logged and admins are notified
📊 Success Metrics Logger
modelmodelmodel
L
Look for Invoices
Get Email Content
Guardrail: Is Finance?
C
Configuration: User Sett…
I
IF (Guardrail Passed)
F
Filter Finance Keywords
C
Check for Attachment
E
Extract PDF Data
AI Agent (PDF OCR)
AI Agent (Email OCR)
Validate Extraction
C
Check for Errors
Apply Finance Rules
Log to Invoices Sheet
Send Confirmation Email
Log Error to Sheet
Send Error Notification
gpt 4o mini
Gemini 2.5 flash
Log Success Metrics
20 nodes21 edges

仕組み

  1. 1

    トリガー

    このワークフローは トリガー トリガーで開始します。

  2. 2

    処理

    データは 20 個のノードを流れます, connecting agent, code, extractfromfile。

  3. 3

    出力

    ワークフローは自動化を完了し、設定された宛先に結果を配信します。

ノード詳細 (20)

GO

Google Sheets

googleSheets

#1
GM

Gmail

gmail

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#5
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#6
GU

Guardrails

n8n-nodes-langchain.guardrails

#7

このワークフローのインポート方法

  1. 1右側の JSONをダウンロード ボタンをクリックしてワークフローファイルを保存します。
  2. 2n8nインスタンスを開き、ワークフロー → 新規 → ファイルからインポート に進みます。
  3. 3ダウンロードした financial-document-extraction-from-gmail-to-google-sheets ファイルを選択し、インポートをクリックします。
  4. 4各サービスノードの 認証情報(APIキー、OAuthなど)を設定します。
  5. 5ワークフローをテスト をクリックして動作確認し、有効化します。

またはn8nの JSONからインポート に直接貼り付け:

{ "name": "Financial Document Extraction from Gmail to Google Sheets", "nodes": [...], ...}

インテグレーション

agentcodeextractfromfilefiltergmailgmailtriggergooglesheetsguardrailsiflmchatgooglegeminilmchatopenaiset

このワークフローを取得

ワンクリックでダウンロード&インポート

JSONをダウンロードn8n.ioで見る
ノード20
複雑度high
トリガーtrigger
閲覧数240
カテゴリInvoice Processing

作成者

Gtaras

Gtaras

@tarasidis

タグ

agentcodeextractfromfilefiltergmailgmailtriggergooglesheetsguardrailsiflmchatgooglegemini

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