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

Moyen complexité⏰ Planifié14 nœuds🏷️ Invoice Processingpar Cheng Siong Chin

Aperçu

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

Nœuds utilisés

HTTP RequestGmailCodeAI AgentOpenAI Chat ModelStructured Output Parser

Aperçu du workflow

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

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur planifié, s'exécutant selon un planning défini.

  2. 2

    Traitement

    Les données transitent par 14 nœuds, connecting agent, code, extractfromfile.

  3. 3

    Sortie

    Le workflow termine son automatisation et livre le résultat à la destination configurée.

Détails des nœuds (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

Comment importer ce workflow

  1. 1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
  2. 2Ouvrez votre instance n8n. Accédez à Workflows → Nouveau → Importer depuis un fichier.
  3. 3Sélectionnez le fichier automate-tax-deduction-processing-with-gpt-4-receipt-analysis-and-gmail-reporting téléchargé et cliquez sur Importer.
  4. 4Configurez les identifiants pour chaque nœud de service (clés API, OAuth, etc.).
  5. 5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

{ "name": "Automate Tax Deduction Processing with GPT-4 Receipt Analysis and Gmail Reporting", "nodes": [...], ...}

Intégrations

agentcodeextractfromfilegmailhttprequestiflmchatopenaimergeoutputparserstructuredscheduletriggerset

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds14
Complexitémedium
Déclencheurscheduled
CatégorieInvoice Processing

Créé par

Cheng Siong Chin

Cheng Siong Chin

@cschin

Tags

agentcodeextractfromfilegmailhttprequestiflmchatopenaimergeoutputparserstructuredscheduletrigger
⚡

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🔗 Webhook·12 nodes