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

复杂度 触发器20 个节点🏷️ Invoice Processing👁 1 次查看作者:ResilNext

概览

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

使用的节点

Google SheetsHTTP RequestSlackQuickBooks OnlineCodeAI AgentOpenAI Chat ModelStructured Output Parser

工作流预览

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

工作原理

  1. 1

    触发器

    工作流由 触发器 触发器启动。

  2. 2

    处理

    数据流经 20 个节点, connecting agent, code, extractfromfile。

  3. 3

    输出

    工作流完成自动化并将结果发送到配置的目标。

节点详情 (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

如何导入此工作流

  1. 1点击右侧 下载 JSON 按钮保存工作流文件。
  2. 2打开你的 n8n 实例,依次点击 工作流 → 新建 → 从文件导入
  3. 3选择下载的 process-email-invoices-with-ocr-gpt-4-slack-quickbooks-and-google-sheets 文件并点击导入。
  4. 4为每个服务节点配置 凭证(API 密钥、OAuth 等)。
  5. 5点击 测试工作流 验证一切正常,然后激活它。

或直接在 n8n → 从 JSON 导入 中粘贴:

{ "name": "Process email invoices with OCR, GPT-4, Slack, QuickBooks and Google Sheets", "nodes": [...], ...}

集成

agentcodeextractfromfilegmailtriggergooglesheetshttprequestiflmchatopenaimergeoutputparserstructuredquickbookssetslackwait

获取此工作流

一键下载并导入

下载 JSON在 n8n.io 上查看
节点20
复杂度high
触发器trigger
查看次数1

创建者

ResilNext

ResilNext

@rnair1996

标签

agentcodeextractfromfilegmailtriggergooglesheetshttprequestiflmchatopenaimergeoutputparserstructured

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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.

🔗 Webhook·12 nodes