Automated Tax Filing with Multi-Platform Revenue Analysis using GPT-4 — n8n Workflow

High complexity⏰ Scheduled18 nodes🤝 Salesby Cheng Siong Chin

Overview

How It Works This workflow automates monthly revenue aggregation from multiple financial sources, including Stripe, PayPal, Shopify, and bank feeds, while delivering intelligent tax forecasting through GPT-4–based structured analysis. It systematically retrieves revenue data, consolidates disparate datasets into a unified view, and applies GPT-4 to predict upcoming tax obligations with greater accuracy. The system then generates clearly formatted, audit-ready reports and automatically distribute

Nodes used

HTTP RequestGoogle DrivePayPalShopifyGmailStripeCodeAI AgentOpenAI Chat ModelStructured Output Parser

Workflow Preview

Prerequisites
Stripe, PayPal, Shopify, or bank feed accounts; OpenAI
Use Cases
Accounting firms automating quarterly tax prep for mult
Customization
Mod
Setup Steps
1. Connect Stripe, PayPal, Shopify credentials via n8n
2. Configure OpenAI GPT-4 API key for structured tax an
3. Connect Gmail account for report distribution an
How It Works
This workflow automates monthly revenue aggregation fro
Generate & Distribute
What: Creates formatted reports, sends via Gmail to age
Why: Ensures real-time access, compliance documentation
AI Tax Analysis
What: Applies OpenAI GPT-4 structured analysis to categ
Why: Delivers intelligent, context-aware tax projection
Normalize & Merge
What: Consolidates multi-source data into unified recor
Why: Enables accurate analysis by eliminating inconsis
Fetch Revenue Data
What: Collects transactions from Stripe, PayPal, Shopif
Why: Provides comprehensive revenue visibility across a
modelparser
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D
Daily Revenue Collection…
W
Workflow Configuration
Get Stripe Transactions
Get PayPal Transactions
Get Shopify Orders
Get Bank Feed Data
M
Merge All Revenue Sources
N
Normalize Revenue Data
AI Income Categorizer
OpenAI GPT-4
Structured Category Output
C
Calculate Category Totals
Format Tax Submission Data
C
Check API Availability
Submit to Tax API
Email to Tax Agent
Archive to Google Drive
M
Merge Submission Paths
18 nodes21 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a scheduled trigger, running on a defined schedule.

  2. 2

    Process

    Data flows through 18 nodes, connecting agent, code, gmail.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (18)

HT

HTTP Request

httpRequest

#1
GO

Google Drive

googleDrive

#2
PA

PayPal

payPal

#3
SH

Shopify

shopify

#4
GM

Gmail

gmail

#5
ST

Stripe

stripe

#6
CO

Code

code

#7
AI

AI Agent

n8n-nodes-langchain.agent

#8
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#9
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#10

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded automated-tax-filing-with-multi-platform-revenue-analysis-using-gpt-4 file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Automated Tax Filing with Multi-Platform Revenue Analysis using GPT-4", "nodes": [...], ...}

Integrations

agentcodegmailgoogledrivehttprequestiflmchatopenaimergeoutputparserstructuredpaypalscheduletriggersetshopifystripesummarize

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes18
Complexityhigh
Triggerscheduled
CategorySales

Created by

Cheng Siong Chin

Cheng Siong Chin

@cschin

Tags

agentcodegmailgoogledrivehttprequestiflmchatopenaimergeoutputparserstructuredpaypal
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