A Step-by-Step Tutorial on How to Use OpenAI API in Node.js

Introduction

OpenAI is a powerful artificial intelligence platform that provides a wide range of services and tools for developers. It is a great platform for building AI-powered applications and services. In this tutorial, we will learn how to use the OpenAI API in Node.js.

Prerequisites

Before you begin this tutorial, you should have a basic understanding of Node.js and the OpenAI API. You should also have Node.js installed on your machine.

Here is detailed instruction how to install node.js

Step 1: Install the OpenAI SDK

Install a Package Manager: A package manager is a tool that helps you install and manage third-party libraries and packages. Popular choices include npm and Yarn.

Installing Required Dependencies

The first step is to install the OpenAI SDK. To do this, open a terminal window and run the following command:

npm install openai

This will install the OpenAI SDK on your machine.

Step 2: Create an OpenAI Account

The next step is to create an OpenAI account. To do this, go to the OpenAI website and click on the “Sign Up” button. Fill out the form and click on the “Create Account” button.

Step 3: Get Your OpenAI API Key

Once you have created your OpenAI account, you will need to get your API key. To do this, go to the OpenAI website and click on the “My Account” tab. On the “My Account” page, you will see your API key.

https://help.openai.com/en/articles/4936850-where-do-i-find-my-secret-api-key

Step 4: Initialize the OpenAI SDK

Now that you have your API key, you can initialize the OpenAI SDK. To do this, open a terminal window and run the following command:

const openai = require('openai');

const openai = require('openai');

This will initialize the OpenAI SDK.

Step 6: Use the OpenAI API

very simple script to use openai in nodejs:

const { Configuration, OpenAIApi } = require("openai");

const configuration = new Configuration({
  apiKey: "YOUR_API_KEY",
});
const openai = new OpenAIApi(configuration);

const completion = await openai.createCompletion({
  model: "text-davinci-003",
  prompt: "How to OPEN AI in nodejs",
  temperature: 0.5,
  max_tokens: 3000,
});
console.log(completion.data.choices[0].text);

temperature

Which temperature should you use between 0 and 2. If you want the output to be more random, use 0.8. If you want the output to be more predictable, use 0.2.

Summary

In this tutorial, we learned how to use the OpenAI API in Node.js. We installed the OpenAI SDK, created an OpenAI account, got our API key, initialized the OpenAI SDK, authenticated with our API key, and used the OpenAI API. I hope you found this tutorial helpful.