Deploy AI-Powered Website Chatbot with DeepSeek and Custom Branding

Who's it for

This template is perfect for business owners, developers, and marketers who want to add a professional, branded AI chatbot to their website. Whether you're running an e-commerce site, a SaaS platform, or a corporate website, this template gives you a fully customizable chat widget that integrates seamlessly with your brand.

How it works

The template creates a webhook endpoint that receives chat messages and processes them through an AI agent powered by DeepSeek. The workflow includes:

Webhook endpoint** that accepts POST requests from your website AI Agent** that processes user messages and maintains conversation context Memory buffer** that remembers conversation history for each user session Response formatting** that sends AI replies back to your chat widget

The chat widget itself is a vanilla JavaScript component that you embed on your website. It features: Customizable colors, branding, and positioning Light/dark theme support Mobile-responsive design Local conversation history Session management with expiration WordPress plugin integration

How to set up

Import the workflow into your n8n instance Configure your DeepSeek API credentials in the DeepSeek Chat Model node Activate the workflow to generate your webhook URL Copy the webhook URL from the Webhook node Embed the chat widget on your website using the provided JavaScript files

Requirements

n8n instance** (self-hosted or cloud) DeepSeek API account** and API key Website** where you want to embed the chatbot Basic HTML/JavaScript knowledge** for customization

How to customize the workflow

AI Agent Configuration Modify the AI Agent prompt to change how the bot responds Adjust the memory buffer settings for conversation context Change the AI model parameters for different response styles

Webhook Customization Add authentication headers if needed Modify the response format to match your requirements Add additional processing nodes before the AI Agent

Chat Widget Styling Change brandColor and accentColor to match your brand Customize the bot name, avatar, and welcome message Adjust positioning and launcher style Enable dark mode or HTML responses as needed

Advanced Features Add user authentication integration Implement rate limiting Connect to your CRM or support system Add analytics and tracking

Template Features

✅ No hardcoded API keys - uses n8n credential system
✅ Sticky notes included - explains the entire workflow
✅ Professional branding - fully customizable appearance
✅ WordPress ready - includes plugin and shortcode support
✅ Mobile responsive - works on all devices
✅ Session management - remembers conversations per user

Use Cases

Customer Support**: Provide instant AI-powered assistance Lead Generation**: Engage visitors and collect contact information Product Guidance**: Help customers find the right products/services FAQ Automation**: Answer common questions automatically Booking Assistant**: Help with appointments and reservations E-commerce Support**: Guide customers through purchases

Technical Details

The workflow uses the LangChain AI Agent with DeepSeek as the language model and includes a Memory Buffer for conversation context. The webhook response format is optimized for the chat widget.

Live Demo

Try it online: Live Demo

Experience the chatbox widget in action with a working n8n webhook integration. The demo showcases all features including light/dark themes, HTML responses, and session management.

Note: This template includes a complete JavaScript chat widget and WordPress plugin, making it ready for immediate use on any website. The workflow is designed to be production-ready with proper error handling and security considerations.