Automatically Create Invoices from Gmail Labels with GPT-4O + QuickBooks — Flujo de trabajo n8n

Media complejidad⏰ Programado12 nodos🏷️ Invoice Processingpor Rosh Ragel

Descripción general

What It Does This workflow reads Gmail threads labeled Invoice Needed, extracts invoice and client details using an AI agent, and creates a draft invoice in QuickBooks Online. It then downloads the invoice as a PDF and drafts a reply email with the invoice attached — all automatically.

Perfect for freelancers, agencies, or small businesses looking to streamline client billing from email.

Prerequisites To use this workflow, you’ll need:

A Gmail OAuth2 credential A QuickBooks OAuth2 credential

Nodos utilizados

GmailQuickBooks OnlineCodeAI AgentOpenAI Chat ModelStructured Output Parser

Vista previa del flujo de trabajo

Automatically Create and Draft Invoices from
What It Does
This workflow reads Gmail threads labeled `Invoice Need
Schedule
This node determines how often the workflow should chec
Gmail
Connects to Gmail and pulls email threads that have the
Combine All Messages
Groups together all messages within a thread so AI can
AI Agent: Extract Customer & Invoice Details
Uses OpenAI to read the email content and extract struc
Add Client to QBO
Tries to add a new customer to QuickBooks
Find Existing Customer
Searches your QuickBooks account for a customer with th
Create A New Invoice
Builds a draft invoice in QBO using the client info and
Download Invoice
Pulls the PDF version of the invoice from QBO so it can
Write Draft Reply to Client
Creates a draft email reply to the original thread in G
Remove Invoice Needed Label
Removes the "Invoice Needed" label from the email threa
modelparser
Add Client to QBO
Get Messages w/ Invoice …
OpenAI Chat Model
Structured Output Parser
Find Existing Customer
Create A New Invoice
Download Invoice
Write Draft Reply to Cli…
⚡
S
Schedule Trigger
AI Agent: Extract Custom…
Remove Invoice Needed La…
Combine all Messages in …
12 nodes11 edges

Cómo funciona

  1. 1

    Disparador

    El flujo de trabajo comienza con un disparador programado, ejecutándose según un horario definido.

  2. 2

    Procesamiento

    Los datos fluyen a través de 12 nodos, connecting agent, code, gmail.

  3. 3

    Salida

    El flujo de trabajo completa su automatización y entrega el resultado al destino configurado.

Detalles de nodos (12)

GM

Gmail

gmail

#1
QU

QuickBooks Online

quickbooks

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#5
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#6

Cómo importar este flujo de trabajo

  1. 1Haz clic en el botón Descargar JSON a la derecha para guardar el archivo del flujo de trabajo.
  2. 2Abre tu instancia de n8n. Ve a Flujos de trabajo → Nuevo → Importar desde archivo.
  3. 3Selecciona el archivo automatically-create-invoices-from-gmail-labels-with-gpt-4o-quickbooks descargado y haz clic en Importar.
  4. 4Configura las credenciales para cada nodo de servicio (claves API, OAuth, etc.).
  5. 5Haz clic en Probar flujo de trabajo para verificar que todo funcione, luego actívalo.

O pega directamente en n8n → Importar desde JSON:

{ "name": "Automatically Create Invoices from Gmail Labels with GPT-4O + QuickBooks", "nodes": [...], ...}

Integraciones

agentcodegmaillmchatopenaioutputparserstructuredquickbooksscheduletrigger

Obtener este flujo de trabajo

Descarga e importa con un solo clic

Descargar JSONVer en n8n.io
Nodos12
Complejidadmedium
Disparadorscheduled
CategoríaInvoice Processing

Creado por

Rosh Ragel

Rosh Ragel

@roshragel

Etiquetas

agentcodegmaillmchatopenaioutputparserstructuredquickbooksscheduletrigger
⚡

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🔗 Webhook·12 nodes