Invoices from Gmail to Drive and Google Sheets — n8n Workflow

Medium complexity⚡ Trigger14 nodes🏷️ Invoice Processing👁 27,090 viewsby Juan Carlos Cavero Gracia

Overview

Attachments Gmail to Drive and Google Sheets

Description Automatically process invoice emails by saving attachments to Google Drive and extracting key invoice data to Google Sheets using AI. This workflow monitors your Gmail for unread emails with attachments, saves PDFs to a specified Google Drive folder, and uses OpenAI's GPT-4o to extract invoice details (date, description, amount) into a structured spreadsheet.

Use cases Invoice Management**: Automatically organize and track invoices recei

Nodes used

Google SheetsHTTP RequestGoogle DriveGmailBasic LLM ChainOpenAI ModelStructured Output Parser

Workflow Preview

Setup
1. Setup your Gmail and Google Drive credentials
2. Setup your Google Sheets credentials
3. Setup your Openai api key
3. Use LLMs to Extract Values from Data
Read more about Basic LLM Chain
Large language models are
Need more attributes?
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modelparser
⚡
G
Gmail Trigger1
S
Setup1
Upload PDF to Drive1
Rename file1
Move to the correct fold…
Gmail
E
Extract from File2
Google Drive
OpenAI Model
Structured Output Parser
Append to Reconciliation…
M
Map Output
Apply Data Extraction Ru…
O
Only invoice mails with …
14 nodes14 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 14 nodes, connecting chainllm, extractfromfile, gmail.

  3. 3

    Output

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

Node Details (14)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GO

Google Drive

googleDrive

#3
GM

Gmail

gmail

#4
BA

Basic LLM Chain

n8n-nodes-langchain.chainLlm

#5
OP

OpenAI Model

n8n-nodes-langchain.lmOpenAi

#6
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#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 invoices-from-gmail-to-drive-and-google-sheets 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": "Invoices from Gmail to Drive and Google Sheets", "nodes": [...], ...}

Integrations

chainllmextractfromfilegmailgmailtriggergoogledrivegooglesheetshttprequestiflmopenaioutputparserstructuredset

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes14
Complexitymedium
Triggertrigger
Views27,090
CategoryInvoice Processing

Created by

Juan Carlos Cavero Gracia

Juan Carlos Cavero Gracia

@carlosgracia

Tags

chainllmextractfromfilegmailgmailtriggergoogledrivegooglesheetshttprequestiflmopenaioutputparserstructured
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Automate Custom QuickBooks Invoice PDFs & Email with n8n

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