Simple GPT Chat API

This is a simple Node.js application that provides a chat interface with the OpenAI GPT API.

Prerequisites

• Node.js and npm installed on your machine.

Installation

1. Clone the repository (or download the files).
2. Open a terminal in the project directory.
3. Install the dependencies:

   npm install

Configuration

1. Create a .env file in the root of the project.

2. Add your OpenAI API key to the .env file:

   OPENAI_API_KEY=your_openai_api_key
   

   Replace your_openai_api_key with your actual key.

3. Add your Admin API key for secure endpoints:

   ADMIN_API_KEY=your_secret_admin_key
   

Running the Server

To start the server, run the following command in your terminal:

node index.js

The server will start on port 3000 by default.

API Usage

You can interact with the chat API by sending a POST request to the /chat endpoint.

Example using cURL

curl -X POST http://localhost:3000/chat \
     -H "Content-Type: application/json" \
     -d '{"message": "Hello, how are you?"}'

Example Response

{
  "response": "I am an AI assistant, so I don't have feelings, but I'm here to help you!"
}

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Advanced Usage

View Source Code

You can view the source code of the application by sending a GET request to the /source-code endpoint. This requires a valid ADMIN_API_KEY to be sent in the X-API-Key header.

Example using cURL

curl http://localhost:3000/source-code?file=index.js \
     -H "X-API-Key: your_secret_admin_key"