Send AI-personalized WhatsApp campaigns with WhatsApp Business API and Google Sheets
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 13 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). Along the way it connects OpenAI Chat Model. It also calls sheets.googleapis.com over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).
- Prepare Campaign Context (Edit Fields (Set)): sets 6 fields: campaignName, goals, phone…
- Python - Segment Audience (Code): runs custom Python code
- Wait: pauses before continuing
- Filter: keeps only the items that match a condition
- Wait: pauses before continuing
- AI - Generate Personalized Message (AI Agent): runs an AI agent, with model: OpenAI Chat Model
- JS - Format Message (Code): runs custom JavaScript code
- Wait: pauses before continuing
- Send WhatsApp Message (HTTP Request): calls an HTTP API (POST)
- Update Analytics Sheet (HTTP Request): calls sheets.googleapis.com (POST)
Services it uses
HTTP calls to: sheets.googleapis.com
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in AI - Generate Personalized Message (v1.6): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI - Generate Personalized Message (v1.6) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (9)
- Webhook
n8n-nodes-base.webhook - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - Code
n8n-nodes-base.code - Filter
n8n-nodes-base.filter - Wait
n8n-nodes-base.wait - AI Agent
@n8n/n8n-nodes-langchain.agent - HTTP Request
n8n-nodes-base.httpRequest - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
This workflow automatically launches AI-powered personalized promotional campaigns to WhatsApp users. It handles audience segmentation, message personalization, delivery via WhatsApp Business API, and tracks performance in Google Sheets. Who’s it for •…