E-commerce

Stripe Past-Due Invoice Reminder to WhatsApp

Reduce payment churn. This daily workflow queries Stripe for open past-due invoices. It extracts the customer phone number and sends them a secure payment page link directly on WhatsApp to clear their balance.

#Stripe

#WhatsApp

#Invoice Reminder

#Dunning

#Ecommerce

Automation Logic

n8n JSON Blueprint

This workflow is pre-configured and ready for deployment. Simply import the JSON template into your n8n instance and configure your credentials.

This is an exclusive blueprint. Copy the JSON below to use it.

QUICK DEPLOY

1
Download the .json file
2
Open n8n & click "Import"
3
Configure your API keys

PRO TIP

Always test your workflow in a development environment before pushing to production.

JSON BLUEPRINT

n8n-workflow.json

{
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "value": 24
            }
          ]
        }
      },
      "name": "Daily Checker",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [
        100,
        300
      ]
    },
    {
      "parameters": {
        "operation": "list",
        "status": "open"
      },
      "name": "List Open Invoices",
      "type": "n8n-nodes-base.stripe",
      "typeVersion": 1,
      "position": [
        300,
        300
      ]
    },
    {
      "parameters": {
        "url": "https://api.twilio.com/2010-04-01/Accounts/your-sid/Messages.json",
        "method": "POST",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "To",
              "value": "whatsapp:{{$json.customer_phone}}"
            },
            {
              "name": "From",
              "value": "whatsapp:+14155238886"
            },
            {
              "name": "Body",
              "value": "Hi, invoice {{$json.number}} of {{$json.amount_due/100}} is unpaid. Pay here: {{$json.hosted_invoice_url}}"
            }
          ]
        }
      },
      "name": "WhatsApp Reminder",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4,
      "position": [
        500,
        300
      ]
    }
  ],
  "connections": {
    "Daily Checker": {
      "main": [
        [
          {
            "node": "List Open Invoices",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "List Open Invoices": {
      "main": [
        [
          {
            "node": "WhatsApp Reminder",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

To use this, copy the JSON above and paste it directly onto your n8n canvas.

IMPLEMENTATION GUIDE

Required Nodes

Stripe Node
WhatsApp Node
Invoice Reminder Node
Dunning Node
Ecommerce Node
Cron / Webhook Trigger

Core Benefits

100% Automated Execution
Reduces Manual Data Entry
Infinite Scalability

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