ERPNext WhatsApp integrationYour invoice, on the app they actually open.

POST {url}/{version}/{phone_id}/messages

{
  "messaging_product": "whatsapp",
  "to": "919876500011",
  "type": "template",
  "template": {
    "name": "invoice_ready",
    "language": {
      "code": "en"
    },
    "components": [
      {
        "type": "body",
        "parameters": [
          {
            "type": "text",
            "text": "Metro Mart"
          },
          {
            "type": "text",
            "text": "ACC-SINV-2026-00311"
          },
          {
            "type": "text",
            "text": "₹ 33,642.00"
          },
          {
            "type": "text",
            "text": "23-11-2026"
          }
        ]
      },
      {
        "type": "header",
        "parameters": [
          {
            "type": "document",
            "document": {
              "link": "https://erp.example.com/api/method/frappe.utils.print_format.download_pdf?doctype=Sales Invoice&name=ACC-SINV-2026-00311&format=Standard&no_letterhead=0&key=…",
              "filename": "ACC-SINV-2026-00311.pdf"
            }
          }
        ]
      }
    ]
  }
}