AI-powered reasoning and response workflow
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 4 nodes and runs when an HTTP GET request hits its webhook URL. It uses only n8n's built-in nodes. It also calls generativelanguage.googleapis.com over HTTP.
How it runs
Trigger: When an HTTP GET request hits its webhook URL.
- Send Request to Google Gemini (HTTP Request): calls generativelanguage.googleapis.com (POST)
- Process API Response (Code): runs custom JavaScript code
- Return Response to User (Respond to Webhook): sends the response back to the webhook caller
HTTP calls to: generativelanguage.googleapis.com
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)
- HTTP Request
n8n-nodes-base.httpRequest - Respond to Webhook
n8n-nodes-base.respondToWebhook - Webhook
n8n-nodes-base.webhook - Code
n8n-nodes-base.code
From the author
Overview: This workflow is designed to handle user inputs via a webhook, process the inputs with the Google Gemini API (specifically the gemini-2.0-flash-thinking-exp-1219 model), and return a structured response to the user. The response includes three key…