Process email invoices with OCR, GPT-4, Slack, QuickBooks and Google Sheets — n8n 워크플로

높음 복잡도 트리거20개의 노드🏷️ Invoice Processing👁 1회 조회작성자: ResilNext

개요

Overview This workflow automates invoice processing directly from your email inbox.

It captures invoice attachments, extracts structured data using OCR and AI, validates totals, and securely processes invoices. If issues are detected, it routes them for human review. Approved invoices are recorded in QuickBooks and logged for auditing.

How It Works

Email Trigger Monitors a Gmail label and downloads invoice attachments automatically.

Configuration & Metadata Sets OCR API, thresholds, an

사용된 노드

Google SheetsHTTP RequestSlackQuickBooks OnlineCodeAI AgentOpenAI Chat ModelStructured Output Parser

워크플로 미리보기

Email Trigger
Watches inbox and downloads invoice attachments automat
Configuration
Stores OCR API, thresholds, Slack channel, and audit sh
File Processing
Routes PDF to extractor or images to OCR API for text e
AI Extraction
AI extracts structured invoice data with confidence sco
Validation and Masking
Recalculates totals and checks for mismatches and Masks
Review Check
Flags invoices needing human review based on validation
Human Review
Sends Slack alert and waits for approval if issues are
Accounting Sync
Creates bill in QuickBooks for approved invoices.
Audit Logging
Logs processing details and results to Google Sheets.
How it works
Monitors email for invoice attachments, extracts data u
Setup
Conn
Notifications
Sends success message after invoice is processed.
modelparsermodel
I
Invoice Email Trigger
W
Workflow Configuration
C
Capture Invoice Metadata
C
Check File Type
E
Extract Text from PDF
OCR for Images
M
Merge OCR Results
AI Invoice Extractor
OpenAI GPT-4
Invoice Schema Parser
Validate and Recalculate…
Mask PII Data
C
Check if Review Needed
W
Wait for Human Review
Send Review Request
Create QuickBooks Bill
Log to Audit Trail
Send Success Notification
P
Prepare Audit Log Entry
OpenAI GPT-4 for Parser
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
HT

HTTP Request

httpRequest

#2
SL

Slack

slack

#3
QU

QuickBooks Online

quickbooks

#4
CO

Code

code

#5
AI

AI Agent

n8n-nodes-langchain.agent

#6
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#7
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#8

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 process-email-invoices-with-ocr-gpt-4-slack-quickbooks-and-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": "Process email invoices with OCR, GPT-4, Slack, QuickBooks and Google Sheets", "nodes": [...], ...}

통합

agentcodeextractfromfilegmailtriggergooglesheetshttprequestiflmchatopenaimergeoutputparserstructuredquickbookssetslackwait

이 워크플로 가져오기

한 번의 클릭으로 다운로드 및 가져오기

JSON 다운로드n8n.io에서 보기
노드20
복잡도high
트리거trigger
조회수1
카테고리Invoice Processing

제작자

ResilNext

ResilNext

@rnair1996

태그

agentcodeextractfromfilegmailtriggergooglesheetshttprequestiflmchatopenaimergeoutputparserstructured

n8n을 처음 사용하시나요?

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

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