Zapier, Make and n8n: WhatsApp messages without code

Send a WhatsApp template from any app these tools connect — a form, a calendar, a spreadsheet, a CRM.

4 min read

  1. 1Add an HTTP step: Webhooks by Zapier → Custom request, Make → HTTP → Make a request, or n8n → HTTP Request.
  2. 2Method POST, address your Chatmizer address followed by /api/v1/wa/messages (or /api/v1/wa/verify for a code).
  3. 3Headers: Authorization with Bearer and your key, and Content-Type with application/json.
  4. 4Body: to, template, language and params, mapped from the earlier steps.
  5. 5Run it once and check Verify & Notify → Activity.
  • New form entry → welcome message.
  • New calendar booking → confirmation now, reminder with send_at the day before.
  • Row added to a sheet → message to that customer.

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