Launch WhatsApp bulk campaigns from Google Sheets with MoltFlow

by Alex Pekler ✓ · 231 views · created 2026-02-18 · Social Media

What this workflow does

This workflow has 9 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Google Sheets. It also calls apiv2.waiflow.app over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow”.

1. Read Contacts from Sheet (Google Sheets): read
2. Format Contacts (Code): runs custom JavaScript code
3. Create Custom Group (HTTP Request): calls apiv2.waiflow.app (POST)
4. Prepare Bulk Send (Code): runs custom JavaScript code
5. Create Bulk Send Job (HTTP Request): calls apiv2.waiflow.app (POST)
6. Wait: waits 30 seconds
7. Check Campaign Progress (HTTP Request): calls an HTTP API (GET)
8. Campaign Summary (Code): runs custom JavaScript code

Services it uses

Google Sheets

HTTP calls to: apiv2.waiflow.app

Before you upgrade to n8n 3.0

Nodes used (5)

• Manual Triggern8n-nodes-base.manualTrigger
• Google Sheetsn8n-nodes-base.googleSheets
• Coden8n-nodes-base.code
• HTTP Requestn8n-nodes-base.httpRequest
• Waitn8n-nodes-base.wait

From the author

How it works Send personalized WhatsApp campaigns to hundreds of contacts imported directly from a Google Sheet. This workflow creates a contact group in MoltFlow, launches a bulk send job with smart anti-spam delays, and reports campaign progress — all in…

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