Slack auto translator (JA ⇄ EN) with GPT-4o-mini
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 AI workflow has 8 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects OpenAI.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Detect Language (Code) (Code): runs custom JavaScript code
- Code: runs custom JavaScript code
- OpenAI: uses OpenAI
- Merge: merges the data from its input branches
- Respond to Webhook: sends the response back to the webhook caller
- Prepare Response (Code): runs custom JavaScript code
- HTTP Request: calls an HTTP API (POST)
Services it uses
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 (6)
- Webhook
n8n-nodes-base.webhook - Respond to Webhook
n8n-nodes-base.respondToWebhook - Code
n8n-nodes-base.code - OpenAI
@n8n/n8n-nodes-langchain.openAi - HTTP Request
n8n-nodes-base.httpRequest - Merge
n8n-nodes-base.merge
From the author
🧠 How it works This workflow enables automatic translation in Slack using n8n and OpenAI. When a user types /trans followed by text, n8n detects the language and replies with the translated version via Slack. ⚙️ Features - Detects the input language…