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How to Make Axios GET Request Easily

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How to Make Axios GET Request Easily

Axios is a JavaScript HTTP client library that is widely used for making API requests when working with JavaScript. In this article, we will provide a detailed introduction to Axios and then show you how to implement GET requests using Axios.

Axios is a JavaScript HTTP client library that is widely used for making API requests when working with JavaScript. In this article, we will provide a detailed introduction to Axios and then show you how to implement GET requests using Axios. Additionally, we'll introduce a more intuitive way to send API requests and retrieve responses. If you don't quite know send Axios PUT Request, click here.

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What is Axios?

AXIOS is a JavaScript HTTP client library. It provides a simple and intuitive interface by wrapping native HTTP communication methods like XMLHttpRequest and the fetch API.

Axios

It is designed with a Promise-based architecture, making it easy to handle asynchronous operations. Axios supports various HTTP methods such as GET, POST, PUT, and DELETE, and it allows for easy parameter configuration and header customization. The response data is automatically converted to JSON, making it easy to work with the retrieved data. Sometimes, you may encounter " Method Not Allowed", Here is a guide to help you fix HTTP error 405.

Installing Axios

To use Axios, you first need to install it. Axios can be installed using the npm or yarn package manager. Here are the installation commands for Axios:

Install Axios using npm:

npm install axios

Install Axios using yarn:

yarn add axios

Implementing GET Requests with Axios
After installing Axios with the above commands, you can follow these steps to execute GET requests using Axios.

Basic Axios GET Request
Here's a sample code for a basic GET request using Axios:

// Import Axios
import axios from 'axios';

// Define the GET request
axios.get('https://example.com/api/endpoint')
  .then(response => {
    // Handle the response
  })
  .catch(error => {
    // Handle errors
  });

In the code above, we use axios.get to specify the API endpoint, and then we use then to handle the response data and catch to handle errors.

Adding Parameters in a GET Request URL

If you want to pass parameters in the URL of a Axios GET request, you can directly add them to the API endpoint URL:

const axios = require('axios');

// If there are two parameters: id and category
const id = 123;
const category = 'electronics';

// You can add parameters directly to the URL
axios.get(`https://api.example.com/data?id=${id}&category=${category}`)
  .then(response => {
    console.log(response.data);
  })
  .catch(error => {
    console.error(error);
  });

Using the params Object to Pass Parameters in a GET Request
Axios also provides the params object option for passing parameters in a GET request:

axios.get('/api/endpoint', {
  params: {
    id: 123,
    category: 'electronics'
  },
  headers: {
    'X-Requested-With': 'XMLHttpRequest'
  }
})

In the code above, Axios GET request with parameters are defined in the params object, and headers can be set using the headers object.

Implementing RESTful GET Requests with Axios

If you want to implement RESTful GET requests, Axios can be used as follows:

// Get a list of users
axios.get('/users')
  .then(res => {
    console.log(res.data);
  });

// Get a specific user by ID
axios.get('/users/12345')
  .then(res => {
    console.log(res.data);
  });

// Filter users with a query
axios.get('/users?name=john')
  .then(res => {
    console.log(res.data);
  });

// Catch 404 errors
axios.get('/users/98765')
  .catch(err => {
    if (err.response.status === 404) {
      console.log('User not found');
    }
  });

Axios allows you to design RESTful API requests with the following steps:

  1. Specify the resource in the URL.
  2. Use query strings for filtering.
  3. Check the status code.
  4. Get the response data.

Additionally, you can set options like cache control in the second argument:

axios.get('/users', {
  params: {...},
  headers: {
    'Cache-Control': 'max-age=3600'
  }
});

Creating a Mock Server for GET Requests with Express.js and Axios

To provide a more detailed explanation of implementing GET requests with Axios, we'll create a simple Node.js server using the Express.js framework to handle requests. Before proceeding, make sure you have Axios and Express.js installed.

Step 1: Create a server.js file in your project folder and add the following code:

const express = require('express');
const app = express();
const port = 3000;

app.get('/data', (req, res) => {
  // Mock data
  const data = {
    id: req.query.id,
    category: req.query.category,
    message: 'Data retrieved successfully!'
  };

  res.json(data);
});

app.listen(port, () => {
  console.log(`Server is running on http://localhost:${port}`);
});

Step 2: Start the server using the following command in the terminal:

Note: If you encounter any errors, make sure that Express is installed correctly using the command npm install express.

Now, the server will be running at http://localhost:3000 and can handle GET requests.

Step 3: Implement the Axios GET request on the client side. Create a client.js file in your project folder and add the following code:

const axios = require('axios');

// If there are two parameters: id and category
const id = 123;
const category = 'electronics';

axios.get('http://localhost:3000/data', { params: { id, category } })
  .then(response => {
    console.log(response.data);
  })
  .catch(error => {
    console.error(error);
  });

Step 4: Run the following command in the terminal:

node client.js

You will now see the data retrieved from the server in the console.

Server Response

Handling API Requests without Code

If you prefer to make API requests without writing code, you can use Apidog, a powerful API management tool. Apidog allows you to easily send requests for HTTP methods such as GET, PUT, POST, and DELETE with an intuitive UI. Apidog also includes a built-in mock server, so you can immediately receive responses without setting up your own server.

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Step 1: Launch Apidog and go to the Execute API page. Enter the HTTP method, API endpoint, and parameters, then click the "Send" button to send the request.

GET request Paramerters
Note: You can also specify the HTTP method and fill in the required parameters using the intuitive UI.

Step 2: You can instantly receive the response. Apidog automatically verifies the accuracy of the retrieved response, as shown in the screenshot below.

Receiving GET Response
Note: Apidog provides a built-in mock server, so you don't need to set up your own server, and it returns real data.Receiving the Response

Step 3: You can also click the "Save as case" button to save the result of this request. This allows you to easily reference or reuse this case in the future, making it a convenient feature.

With Apidog, you can quickly and easily send API requests for various HTTP methods without writing code, making it a highly useful tool.

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