Smart Invoice Collection System with GPT-4.1, Gmail & Google Sheets — n8n 工作流

复杂度 触发器12 个节点🏷️ Invoice Processing👁 304 次查看作者:Nick Saraev

概览

Smart Invoice Collection System with OpenAI, Gmail & Google Sheets

Categories: Financial Automation, AI Business Tools, Cash Flow Management

This workflow creates an intelligent invoice collection system that automatically follows up on overdue invoices using AI-powered personalization. The system monitors your invoice database, analyzes email history to prevent inappropriate follow-ups, and sends increasingly urgent but professional reminders at precise intervals. Built to solve one of the bi

使用的节点

Google SheetsGmailOpenAI

工作流预览

📊 STEP 1: Invoice Data Collection
This workflow monitors overdue invoices from Google She
1. Get Rows: Pulls invoice data from your tracking spre
2. Edit Fields: Calculates day
🔍 STEP 2: Email History Intelligence
Prevents sending follow-ups at inappropriate times:
1. Loop Over Items: Processes each overdue invoice indi
2. Gmail Get Messages: Retrieves r
🧠 STEP 3: AI-Powered Follow-up Generation
Creates intelligent, context-aware follow-up emails:
OpenAI Processing:
• Analyzes conversation history to determine if follow-
• Se
📧 STEP 4: Automated Email Delivery
Sends personalized follow-ups automatically:
1. Filter: Only proceeds with emails that AI approved (
2. Gmail Draft/Send: Creates profess
W
When clicking ‘Execute w…
Google Sheets
E
Edit Fields
F
Filter
L
Loop Over Items
Gmail
A
Aggregate
OpenAI
E
Edit Fields1
F
Filter1
Gmail1
S
Schedule Trigger
12 nodes12 edges

工作原理

  1. 1

    触发器

    工作流由 触发器 触发器启动。

  2. 2

    处理

    数据流经 12 个节点, connecting aggregate, filter, gmail。

  3. 3

    输出

    工作流完成自动化并将结果发送到配置的目标。

节点详情 (12)

GO

Google Sheets

googleSheets

#1
GM

Gmail

gmail

#2
OP

OpenAI

n8n-nodes-langchain.openAi

#3

如何导入此工作流

  1. 1点击右侧 下载 JSON 按钮保存工作流文件。
  2. 2打开你的 n8n 实例,依次点击 工作流 → 新建 → 从文件导入
  3. 3选择下载的 smart-invoice-collection-system-with-gpt-41-gmail-google-sheets 文件并点击导入。
  4. 4为每个服务节点配置 凭证(API 密钥、OAuth 等)。
  5. 5点击 测试工作流 验证一切正常,然后激活它。

或直接在 n8n → 从 JSON 导入 中粘贴:

{ "name": "Smart Invoice Collection System with GPT-4.1, Gmail & Google Sheets", "nodes": [...], ...}

集成

aggregatefiltergmailgooglesheetsmanualtriggeropenaischeduletriggersetsplitinbatches

获取此工作流

一键下载并导入

下载 JSON在 n8n.io 上查看
节点12
复杂度medium
触发器trigger
查看次数304

创建者

Nick Saraev

Nick Saraev

@nicksaraev

标签

aggregatefiltergmailgooglesheetsmanualtriggeropenaischeduletriggersetsplitinbatches

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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