Send behavior-based marketing emails with OpenAI GPT-4o and SendGrid
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 15 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 api.sendgrid.com and sheets.googleapis.com over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).
- Prepare Event Context (Edit Fields (Set)): sets 6 fields: userId, eventType, pageUrl…
- Wait: pauses before continuing
- Python - Segment Behavior (Code): runs custom Python code
- Filter: keeps only the items that match a condition
- Filter: keeps only the items that match a condition
- Filter: keeps only the items that match a condition
- Wait: pauses before continuing
- AI - Generate Personalized Email (AI Agent): runs an AI agent, with model: OpenAI Chat Model
- JS - Format Campaign (Code): runs custom JavaScript code
- Wait: pauses before continuing
…plus 2 more steps. See the full node list below.
Services it uses
HTTP calls to: api.sendgrid.com, 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 Email (v1.6): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI - Generate Personalized Email (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 intelligent workflow automates the entire lifecycle of behavior-driven email marketing — from real-time event capture to hyper-personalized campaign delivery. By continuously tracking user actions on your website and across email interactions, the system…