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Node.js HTTP Requests with Axios

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  • Post last modified:February 18, 2024

Introduction

In this tutorial, we will explore how to make HTTP requests in a Node.js application using Axios, a popular promise-based HTTP client. Axios simplifies the process of making HTTP requests and handling responses in Node.js applications. We’ll cover the basics of installing Axios, making GET and POST requests, handling responses, and error handling.

Prerequisites

  • Node.js installed on your system. You can download and install it from Node.js website.
  • Basic knowledge of JavaScript and Node.js.

Step 1: Installing Axios

To use Axios in your Node.js application, you need to install it as a dependency. Open your terminal or command prompt and navigate to your project directory. Then, run the following command:

npm install axios

This command will install Axios and add it to your package.json file.

Step 2: Making GET Requests

Now, let’s create a simple Node.js script to make a GET request using Axios.

Create a new file named get-request.js and add the following code:

In this script:

  • We import Axios using require.
  • We use the axios.get() method to make a GET request to the specified URL (https://jsonplaceholder.typicode.com/posts/1).
  • We handle the response using .then() and log the response data to the console.
  • We handle errors using .catch() and log any errors to the console.

Run the script using Node.js:

node get-request.js

You should see the response data logged to the console.

Step 3: Making POST Requests

Next, let’s create a script to make a POST request using Axios.

Create a new file named post-request.js and add the following code:

In this script:

  • We use the axios.post() method to make a POST request to the specified URL (https://jsonplaceholder.typicode.com/posts).
  • We pass an object with data to be sent in the request body.
  • We handle the response and errors similar to the GET request example.

Run the script:

node post-request.js

You should see the response data logged to the console.

Conclusion

In this tutorial, we learned how to use Axios to make HTTP requests in a Node.js application. We covered making GET and POST requests, handling responses, and error handling. Axios provides a simple and elegant interface for performing HTTP requests in Node.js, making it a popular choice for many developers.

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