Automate Tax Deduction Processing with GPT-4 Receipt Analysis and Gmail Reporting — n8n 工作流

中 复杂度⏰ 定时14 个节点🏷️ Invoice Processing作者：Cheng Siong Chin

概览

How It Works This workflow automates monthly tax processing by ingesting expense receipts alongside revenue data, extracting structured deduction details using GPT-4, and accurately matching expenses to their corresponding revenue periods. It retrieves receipts with built-in type validation, parses deduction information through OpenAI structured output extraction, and consolidates revenue records into a unified dataset. The system then intelligently aligns expenses with revenue timelines, calcul

使用的节点

HTTP RequestGmailCodeAI AgentOpenAI Chat ModelStructured Output Parser

工作流预览

Prerequisites
Expense receipt repository; OpenAI API key; Gmail accou
Use Cases
Accountants automating receipt processing for multiple
Customization
Adjus
Setup Steps
1. Configure receipt storage source and OpenAI Chat Mod
2. Connect Gmail for report delivery and set up tax age
3. Define expense categories, revenue periods, and de
How It Works
This workflow automates monthly tax processing by inges
Calculate & Format
What: Matches expenses to revenue periods, calculates d
Why: Produces audit-ready documentation and maximizes l
Merge Revenue & Expenses
What: Consolidates expense and revenue datasets into al
Why: Enables accurate deduction-to-revenue matching for
Fetch & Validate Expenses
What: Retrieves expense receipts and validates file typ
Why: Ensures data quality and prevents processing error
modelparser
⚡
M
Monthly Tax Processing S…
W
Workflow Configuration
Fetch Expense Receipts
Fetch Revenue Data
C
Check Receipt File Type
E
Extract Receipt Data
Extract Deductible Categ…
OpenAI Chat Model
Structured Output Parser
M
Merge Revenue and Deduct…
Match Expenses to Revenu…
Calculate Tax Deductions
F
Format Tax Report
Send to Tax Agent
14 nodes14 edges

工作原理

  1. 1

    触发器

    工作流由 定时 触发器启动，按预定计划运行。

  2. 2

    处理

    数据流经 14 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 (14)

HT

HTTP Request

httpRequest

#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
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#6

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 automate-tax-deduction-processing-with-gpt-4-receipt-analysis-and-gmail-reporting 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": "Automate Tax Deduction Processing with GPT-4 Receipt Analysis and Gmail Reporting", "nodes": [...], ...}

集成

agentcodeextractfromfilegmailhttprequestiflmchatopenaimergeoutputparserstructuredscheduletriggerset

获取此工作流

一键下载并导入

下载 JSON在 n8n.io 上查看
节点14
复杂度medium
触发器scheduled
分类Invoice Processing

创建者

Cheng Siong Chin

Cheng Siong Chin

@cschin

标签

agentcodeextractfromfilegmailhttprequestiflmchatopenaimergeoutputparserstructuredscheduletrigger
⚡

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