Financial Document Extraction from Gmail to Google Sheets — n8n 워크플로

높음 복잡도 트리거20개의 노드🏷️ Invoice Processing👁 240회 조회작성자: Gtaras

개요

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

사용된 노드

Google SheetsGmailCodeAI AgentOpenAI Chat ModelGoogle Gemini Chat ModelGuardrails

워크플로 미리보기

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

작동 원리

  1. 1

    트리거

    워크플로는 트리거 트리거로 시작합니다.

  2. 2

    처리

    데이터가 20개의 노드를 통해 흐릅니다, connecting agent, code, extractfromfile.

  3. 3

    출력

    워크플로가 자동화를 완료하고 구성된 대상에 결과를 전달합니다.

노드 세부 정보 (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

이 워크플로 가져오는 방법

  1. 1오른쪽의 JSON 다운로드 버튼을 클릭하여 워크플로 파일을 저장합니다.
  2. 2n8n 인스턴스를 열고 워크플로 → 새로 만들기 → 파일에서 가져오기로 이동합니다.
  3. 3다운로드된 financial-document-extraction-from-gmail-to-google-sheets 파일을 선택하고 가져오기를 클릭합니다.
  4. 4각 서비스 노드에 대한 자격 증명(API 키, OAuth 등)을 설정합니다.
  5. 5워크플로 테스트를 클릭하여 모든 것이 작동하는지 확인한 후 활성화합니다.

또는 n8n → JSON에서 가져오기에 직접 붙여넣기:

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

통합

agentcodeextractfromfilefiltergmailgmailtriggergooglesheetsguardrailsiflmchatgooglegeminilmchatopenaiset

이 워크플로 가져오기

한 번의 클릭으로 다운로드 및 가져오기

JSON 다운로드n8n.io에서 보기
노드20
복잡도high
트리거trigger
조회수240
카테고리Invoice Processing

제작자

Gtaras

Gtaras

@tarasidis

태그

agentcodeextractfromfilefiltergmailgmailtriggergooglesheetsguardrailsiflmchatgooglegemini

n8n을 처음 사용하시나요?

n8n은 무료 오픈소스 워크플로 자동화 도구입니다. 자체 호스팅하거나 클라우드 버전을 사용하세요.

n8n 무료로 시작하기 →

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Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

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