Forward Slack channel messages to WhatsApp with MoltFlow
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 5 nodes and runs when an HTTP POST request hits its webhook URL. It uses only n8n's built-in nodes. It also calls apiv2.waiflow.app over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Format Message (Code): runs custom JavaScript code
- Valid? (If): checks a condition and branches into true / false
- Send to WhatsApp (HTTP Request): calls apiv2.waiflow.app (POST)
- Log (Code): runs custom JavaScript code
HTTP calls to: apiv2.waiflow.app
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (4)
- Webhook
n8n-nodes-base.webhook - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - HTTP Request
n8n-nodes-base.httpRequest
From the author
How it works 1. Slack sends an outgoing webhook when a message is posted in a channel 2. The message text, sender, and channel name are extracted 3. A formatted message is forwarded to your WhatsApp number via MoltFlow 4. Empty messages and Slack URL…