anujnegi157 / chatgptapi

ChatGPT API Chatbot Integration

This Node.js application integrates with the ChatGPT API to provide a conversational interface powered by AI. It accepts user queries through a POST request to the /api endpoint, sends the query to the ChatGPT API, and returns the response from the AI model.

Prerequisites

• Node.js installed on your machine
• An API key from RapidAPI for accessing the ChatGPT API
• .env file configured with your RapidAPI key (refer to .env.example for the required format)

Installation

1. Clone this repository.
2. Navigate to the project directory in your terminal.
3. Run npm install to install dependencies.

Configuration

1. Obtain an API key from RapidAPI by signing up for the ChatGPT API.
2. Create a .env file in the project root.
3. Add your RapidAPI key to the .env file in the following format:

API_KEY=your_rapidapi_key

Usage

1. Start the server by running npm start.
2. Send a POST request to http://localhost:{port}/api with a JSON object containing the query in the request body. Example:

   {
     "query": "What is the capital of France?"
   }
   

Server Communication

The server forwards user queries to the ChatGPT API, retrieves the response, and sends it back to the client.

Example Response

![Response Example]()

Endpoint

• POST /api:
  • Description: Receives a user query in the request body and returns the response generated by the ChatGPT AI model.

Dependencies

• express:
  • Description: Web server framework for Node.js
• node-fetch:
  • Description: A lightweight module for making HTTP requests
• dotenv:
  • Description: Loads environment variables from a .env file into process.env

Environment Variables

• PORT:
  • Description: Port number for the server (default is 3000)
• API_KEY:
  • Description: RapidAPI key for accessing the ChatGPT API

Error Handling

• Description: If there's an error during the API call or processing, the server returns a 500 Internal Server Error response.

Notes

• Ensure proper error handling and security measures are implemented before deploying this application to production.
• Refer to the official RapidAPI documentation for more details on the ChatGPT API.