Automatic Invoice Detection & Reminder Creation with Gmail & Google Tasks — Workflow n8n

Moyen complexité⏰ Planifié10 nœuds🏷️ Invoice Processing👁 2 vuespar Matt Chong | n8n Creator

Aperçu

This workflow contains community nodes that are only compatible with the self-hosted version of n8n.

Who is this for?

This workflow is for anyone who receives invoices by email and wants to stay on top of payment deadlines without manual tracking.

What problem is this workflow solving?

Invoices often get buried in your inbox. This workflow uses AI to find them, extracts key details, and adds a task to remind you to pay before it’s overdue.

No more missed payments. No more manual tracking.

Nœuds utilisés

Google TasksGmailAI AgentOpenAI Chat ModelStructured Output Parser

Aperçu du workflow

💡 Customize Task Format
You can change the title in this node. For example: `P
Include more invoice details in the notes field if need
⚠️ Setup Required
- Connect your Gmail account using OAuth2
- Add your OpenAI API Key under API Credentials
- Connect your Google Tasks account
- Create this label in Gmail: Invoice*
💡 Schedule Trigger
This runs every hour.
You can change the interval here depending on how often
modelparser
⚡
S
Schedule Trigger
AI Agent
OpenAI Chat Model
Structured Output Parser
N
No Operation, do nothing
Create a task
Add Label to Email
Mark Email as read
Get Unread Emails
C
Check If Email is Invoice
10 nodes9 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur planifié, s'exécutant selon un planning défini.

  2. 2

    Traitement

    Les données transitent par 10 nœuds, connecting agent, gmail, googletasks.

  3. 3

    Sortie

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

Détails des nœuds (10)

GO

Google Tasks

googleTasks

#1
GM

Gmail

gmail

#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

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 automatic-invoice-detection-reminder-creation-with-gmail-google-tasks 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": "Automatic Invoice Detection & Reminder Creation with Gmail & Google Tasks", "nodes": [...], ...}

Intégrations

agentgmailgoogletasksiflmchatopenaioutputparserstructuredscheduletrigger

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds10
Complexitémedium
Déclencheurscheduled
Vues2
CatégorieInvoice Processing

Créé par

Matt Chong | n8n Creator

Matt Chong | n8n Creator

@mattxchong

Tags

agentgmailgoogletasksiflmchatopenaioutputparserstructuredscheduletrigger
⚡

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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