Integration · Automation tools
n8n + WhatsApp: open-source workflow automation
Send WhatsApp messages from n8n, the open-source workflow tool, using an HTTP Request node and the WA.Expert API. Official n8n video and steps.
What is n8n?
n8n is a workflow automation platform with AI features that can be self-hosted or used as a hosted service.
Watch
WA.Expert tutorial
Send WhatsApp from Zapier, Make, Pabbly or n8nWatch on YouTube
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What businesses do with it on WhatsApp
- Self-hosted automations that send WhatsApp
- AI agent workflows that reply on WhatsApp
- Sync data between your systems and WhatsApp
How to connect n8n with WA.Expert
- In n8n, add your trigger node.
- Add an HTTP Request node, method POST, with your WA.Expert API URL.
- Add the Authorization and Content-Type headers.
- Send the template JSON as the body and map the number and variables with expressions.
- Execute once to test, then activate the workflow.
Full walkthrough with screenshots: Connect via Zapier, Make, Pabbly or n8n.
Questions
Can I self-host n8n?
Yes. n8n can be self-hosted or used as a cloud service. See n8n's site for options.