Chat GPT API using Node.js

Welcome to this tutorial on using the Chat GPT API with Node.js. In this article, we will learn how to integrate the OpenAI GPT-3 Chat API with a Node.js application to create intelligent chatbots.

Introduction

OpenAI’s GPT-3 is a state-of-the-art language model that can generate human-like text based on the input it receives. This makes it ideal for creating chatbots that can hold natural and engaging conversations.

Prerequisites

Before we get started, you will need to have Node.js installed on your computer. You can download and install Node.js from the official website if you haven’t already done so.

Setting up the project

First, let’s create a new directory for our project and navigate into it using the terminal:


mkdir chatbot-api
cd chatbot-api


Next, we’ll initialize a new Node.js project using the following command:


npm init -y


Installing dependencies

We will need to install the `openai` package to interact with the Chat GPT API. You can do this by running the following command:


npm install openai


Creating the chatbot

Now, let’s create a new JavaScript file in our project directory called `chatbot.js`. In this file, we’ll write the code to interact with the Chat GPT API and create a simple chatbot:


const OpenAI = require('openai');

openai.chat.create({
model: 'gpt-3.5-turbo',
messages: [{role: 'system', content: 'You are a helpful assistant.'}, {role: 'user', content: userInput}],
})
.then(response => {
console.log(response.data.choices[0].message.content);
})
.catch(error => {
console.error(error);
});


Running the chatbot

Finally, to run our chatbot, we can execute the `chatbot.js` file using Node.js:


node chatbot.js


Conclusion

In this article, we learned how to integrate the Chat GPT API with a Node.js application to create intelligent chatbots. With the power of GPT-3, we can now build chatbots that can have natural and engaging conversations with users. Have fun experimenting with the API and creating your own chatbots!