AI-Powered Invoice Processing Automation with Mistral OCR & GPT-5.2 — n8n Workflow

Medium complexity⚡ Trigger10 nodes🏷️ Invoice Processing👁 920 viewsby Badr

Overview

🚀 Automate Invoice Processing with an End-to-End AI Workflow Powered by GPT-5.2

Transform your invoice management with a fully automated, AI-driven invoice processing workflow built on n8n, combining Mistral AI OCR and OpenAI GPT-5.2 for unmatched accuracy, scalability, and speed.

This intelligent document automation system automatically extracts, structures, validates, and standardizes invoice data from PDFs and scanned documents—eliminating manual data entry and reducing accounting errors to

Nodes used

HTTP RequestGoogle DriveAI AgentOpenAI Chat ModelStructured Output Parser

Workflow Preview

model
⚡
G
Google Drive Trigger: Ne…
Google Drive: Download I…
Mistral OCR API: Extract…
D
Data Splitter: OCR Pages
F
Field Extractor: Page Ma…
D
Data Aggregator: Combine…
AI Agent: Structure Invo…
JSON Parser: Invoice Str…
C
Convert invoice File to …
AI Engine: GPT-5.2
10 nodes8 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 10 nodes, connecting agent, extractfromfile, googledrive.

  3. 3

    Output

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

Node Details (10)

HT

HTTP Request

httpRequest

#1
GO

Google Drive

googleDrive

#2
AI

AI Agent

n8n-nodes-langchain.agent

#3
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#4
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#5

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 ai-powered-invoice-processing-automation-with-mistral-ocr-gpt-52 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": "AI-Powered Invoice Processing Automation with Mistral OCR & GPT-5.2", "nodes": [...], ...}

Integrations

agentextractfromfilegoogledrivegoogledrivetriggerhttprequestlmchatopenaioutputparserstructuredsetsplitoutsummarize

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes10
Complexitymedium
Triggertrigger
Views920
CategoryInvoice Processing

Created by

Badr

Badr

@b4dr

Tags

agentextractfromfilegoogledrivegoogledrivetriggerhttprequestlmchatopenaioutputparserstructuredsetsplitoutsummarize
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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