Invoice Processor & Validator with OCR, AI & Google Sheets — n8n Workflow

Mittel Komplexität Auslöser14 Knoten🏷️ Invoice Processing👁 13,688 Aufrufevon Dhrumil Patel

Übersicht

📝 Say goodbye to manual invoice checking! This smart workflow automates your entire invoice processing pipeline using AI, OCR, and Google Sheets.

⚙️ What This Workflow Does:

📥 1. Reads an invoice PDF — Select a local PDF invoice from your machine.

🔍 2. Extracts raw text using OCR — Converts scanned or digital PDFs into readable text.

🧠 3. AI Agent processes the text — Transforms messy raw text into clean JSON using natural language understanding.

🧱 4. Structures and refines the JSON — Conv

Verwendete Knoten

Google SheetsCodeAI AgentOpenRouter Chat Model

Workflow-Vorschau

Reading Invoice's PDF File Locally
Extracting Details From Invoice PDF
Processing Output
Fallback On Error
Extracting Line Items
Sending Data To G-Sheet
Fetch Master Data & Validating Invoice Extrac
Update Validation Result
model
W
When clicking ‘Test work…
OpenRouter Chat Model
S
Split Out
Post-Processing
Text Extractor
R
Read/Write Files from Disk
E
Extract from File
I
If
S
Send Raw Text Again
Validation
Send Invoice Data
Fetch Master Data
Update Results
G
Generate Unique Key
14 nodes14 edges

So funktioniert es

  1. 1

    Auslöser

    Der Workflow startet mit einem auslöser-Auslöser.

  2. 2

    Verarbeitung

    Die Daten fließen durch 14 Knoten, connecting agent, code, extractfromfile.

  3. 3

    Ausgabe

    Der Workflow schließt seine Automatisierung ab und liefert das Ergebnis an das konfigurierte Ziel.

Knotendetails (14)

GO

Google Sheets

googleSheets

#1
CO

Code

code

#2
AI

AI Agent

n8n-nodes-langchain.agent

#3
OP

OpenRouter Chat Model

n8n-nodes-langchain.lmChatOpenRouter

#4

So importieren Sie diesen Workflow

  1. 1Klicken Sie rechts auf die Schaltfläche JSON herunterladen, um die Workflow-Datei zu speichern.
  2. 2Öffnen Sie Ihre n8n-Instanz. Gehen Sie zu Workflows → Neu → Aus Datei importieren.
  3. 3Wählen Sie die heruntergeladene Datei invoice-processor-validator-with-ocr-ai-google-sheets und klicken Sie auf Importieren.
  4. 4Richten Sie Anmeldedaten für jeden Dienstknoten ein (API-Schlüssel, OAuth usw.).
  5. 5Klicken Sie auf Workflow testen, um zu überprüfen, ob alles funktioniert, und aktivieren Sie es dann.

Oder direkt in n8n → Aus JSON importieren einfügen:

{ "name": "Invoice Processor & Validator with OCR, AI & Google Sheets", "nodes": [...], ...}

Integrationen

agentcodeextractfromfilegooglesheetsiflmchatopenroutermanualtriggerreadwritefilesetsplitout

Diesen Workflow holen

Herunterladen und mit einem Klick importieren

JSON herunterladenAuf n8n.io ansehen
Knoten14
Komplexitätmedium
Auslösertrigger
Aufrufe13,688

Erstellt von

Dhrumil Patel

Dhrumil Patel

@itechdp

Tags

agentcodeextractfromfilegooglesheetsiflmchatopenroutermanualtriggerreadwritefilesetsplitout

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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