Automate Customer Support with Multilingual Chatbot using GPT-5 Nano for eCommerce

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Built by Robert Breen Robert Breen
Created on June 05, 2026

Description


This workflow creates a multilingual eCommerce chatbot that automatically detects the customer’s language and provides tailored responses. It is designed for online shops to improve customer support in English, Spanish, and French.

The chatbot is powered by OpenAI’s GPT-5 Nano and runs entirely inside n8n, with built-in memory to keep conversations contextual and helpful.

🔑 Key Features
Language Detection**: Identifies customer language automatically (English, Spanish, or French).
Localized Responses**: Uses pre-defined system prompts for each language.
Customer Support Ready**: Handles product questions, order tracking, returns, and general inquiries.
Human Handoff**: If details are missing, it guides the user to contact human support.
Conversation Memory**: Tracks sessions for smoother, contextual replies.

⚙️ Setup Instructions

1️⃣ Set Up OpenAI Connection
Get API Key
Go to OpenAI Platform
Go to OpenAI Billing
Add funds to your billing account
Copy your API key into the OpenAI credentials in n8n

2️⃣ Configure Your Languages & Prompts
Open the Set Node named Ecommerce Language Prompts.
Update or expand the list of languages and their system prompts.
Example already includes:
English
Spanish
French

That’s it! Your chatbot is ready to run 🎉

📬 Contact Information
Need help customizing this workflow or building similar automations?

📧 Email: [email protected]
🔗 LinkedIn: Robert Breen
🌐 Website: ynteractive.com

Nodes Used (4)

AI Agent
@n8n/n8n-nodes-langchain.agent
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow
Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured