Travel & History Chatbot Backend

Backend API server for the Travel & History chatbot powered by Groq AI.

Features

• Express.js REST API
• Groq AI integration for natural language processing
• TypeScript for type safety
• Environment variable configuration

Prerequisites

• Node.js 18 or higher
• npm or yarn package manager
• Groq API key

Installation

1. Clone the repository

git clone https://github.com/yourusername/travel-history-chatbot-backend.git
cd travel-history-chatbot-backend

2. Install dependencies

npm install

3. Create a .env file in the root directory with the following variables:

PORT=3000
GROQ_API_KEY=your_groq_api_key_here

Development

To start the development server:

npm run dev

This will build the TypeScript code and start the server at http://localhost:3000.

API Endpoints

Health Check

• GET /api/health: Check if the API is running

Chat

• POST /api/chat: Send messages to the chatbot
  • Request body:

  {
    "messages": [
      {
        "role": "user",
        "content": "Tell me about the history of Rome"
      }
    ],
    "options": {
      "temperature": 0.7,
      "maxTokens": 1024,
      "model": "llama3-8b-8192"
    }
  }

  • Response:

  {
    "message": {
      "role": "assistant",
      "content": "Rome has a rich and fascinating history..."
    }
  }

Deployment

Build for production:

npm run build

Start the production server:

npm run start

License

ISC