Financial Document Extraction from Gmail to Google Sheets — Workflow n8n

Élevé complexité Déclencheur20 nœuds🏷️ Invoice Processing👁 240 vuespar Gtaras

Aperçu

Overview Manual financial reconciliation is tedious and prone to error. This workflow functions as an AI Financial Controller, automatically monitoring your inbox for invoices, receipts, and bills, extracting the data using OCR, and syncing it to Google Sheets for approval.

Unlike simple scrapers, this workflow uses a "Guardrail" AI agent to filter out non-financial emails (like newsletters) before they are processed, ensuring only actual transactions are recorded.

Who is it for? Finance Teams

Nœuds utilisés

Google SheetsGmailCodeAI AgentOpenAI Chat ModelGoogle Gemini Chat ModelGuardrails

Aperçu du workflow

1. Finance Guardrails
Uses Gemini/LangChain to detect if the email is actuall
2. Dual Extraction Path
If Attachment -> PDF OCR Agent
If No Attachment -> Email Body Agent
Both normalize data into the same JSON structure.
3. Business Logic
- GL Coding: Auto-categorizes vendors (Uber -> Travel).
- Thresholds: Flags high amounts (> $1000) for approval
Overview
Gtaras
Manual financial reconciliation is tedious and prone to
⚠️ Error Handling Flow
Any failures are logged and admins are notified
📊 Success Metrics Logger
modelmodelmodel
L
Look for Invoices
Get Email Content
Guardrail: Is Finance?
C
Configuration: User Sett…
I
IF (Guardrail Passed)
F
Filter Finance Keywords
C
Check for Attachment
E
Extract PDF Data
AI Agent (PDF OCR)
AI Agent (Email OCR)
Validate Extraction
C
Check for Errors
Apply Finance Rules
Log to Invoices Sheet
Send Confirmation Email
Log Error to Sheet
Send Error Notification
gpt 4o mini
Gemini 2.5 flash
Log Success Metrics
20 nodes21 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 20 nœuds, connecting agent, code, extractfromfile.

  3. 3

    Sortie

    Le workflow termine son automatisation et livre le résultat à la destination configurée.

Détails des nœuds (20)

GO

Google Sheets

googleSheets

#1
GM

Gmail

gmail

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#5
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#6
GU

Guardrails

n8n-nodes-langchain.guardrails

#7

Comment importer ce workflow

  1. 1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
  2. 2Ouvrez votre instance n8n. Accédez à Workflows → Nouveau → Importer depuis un fichier.
  3. 3Sélectionnez le fichier financial-document-extraction-from-gmail-to-google-sheets téléchargé et cliquez sur Importer.
  4. 4Configurez les identifiants pour chaque nœud de service (clés API, OAuth, etc.).
  5. 5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

{ "name": "Financial Document Extraction from Gmail to Google Sheets", "nodes": [...], ...}

Intégrations

agentcodeextractfromfilefiltergmailgmailtriggergooglesheetsguardrailsiflmchatgooglegeminilmchatopenaiset

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds20
Complexitéhigh
Déclencheurtrigger
Vues240

Créé par

Gtaras

Gtaras

@tarasidis

Tags

agentcodeextractfromfilefiltergmailgmailtriggergooglesheetsguardrailsiflmchatgooglegemini

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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