Expense Organizer with Google Drive Routing and Gemini AI Entity Detection — n8n Workflow

High complexity Trigger21 nodes🏷️ Invoice Processing👁 2 viewsby Daniel Rosehill

Overview

Who's it for

This workflow is perfect for individuals, small businesses, or households who need to: Automatically process and categorize expense receipts Extract structured data from invoices and receipts using AI Store receipts in multiple locations (Google Drive and S3) Send automated email notifications with expense details Send documents to accounting systems via email hooks

How it works

This comprehensive expense processing workflow combines AI-powered document analysis with automated fi

Nodes used

Google DriveGmailS3CodeAI AgentStructured Output ParserGoogle Gemini Chat Model

Workflow Preview

Personal
Business
Shared
parsermodel
P
personal
B
business
S
shared
O
On form submission
E
Extract from File
AI Agent
Google Gemini Chat Model1
Structured Output Parser
Upload file
Upload file1
Code
Code1
Code2
Upload file2
M
Merge2
Send a message
Send a message1
I
If
Upload a file
Upload a file1
Upload a file2
21 nodes21 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 21 nodes, connecting agent, code, extractfromfile.

  3. 3

    Output

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

Node Details (21)

GO

Google Drive

googleDrive

#1
GM

Gmail

gmail

#2
S3

S3

s3

#3
CO

Code

code

#4
AI

AI Agent

n8n-nodes-langchain.agent

#5
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#6
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#7

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 expense-organizer-with-google-drive-routing-and-gemini-ai-entity-detection 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": "Expense Organizer with Google Drive Routing and Gemini AI Entity Detection", "nodes": [...], ...}

Integrations

agentcodeextractfromfileformtriggergmailgoogledriveiflmchatgooglegeminimergeoutputparserstructureds3

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes21
Complexityhigh
Triggertrigger
Views2

Created by

Daniel Rosehill

Daniel Rosehill

@danielrosehill

Tags

agentcodeextractfromfileformtriggergmailgoogledriveiflmchatgooglegeminimergeoutputparserstructured

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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