How to Call a Secure Rest API using Basic Authentication with JavaScript

If you want to call a secure Rest API using JavaScript, you need to use Basic Authentication. This method is a simple way to authenticate a user by sending a username and password with each request.

To use Basic Authentication, you need to add an Authorization header to your request. This header contains the username and password encoded in Base64 format.

Here’s an example of how to make a request using Basic Authentication:

var xhr = new XMLHttpRequest();
var url = 'https://api.example.com/data';
xhr.open('GET', url);
xhr.setRequestHeader('Authorization', 'Basic ' + btoa('username:password'));
xhr.onload = function() {
 if (xhr.status === 200) {
 console.log(xhr.responseText);
 }
};
xhr.send();

Make sure to replace ‘username’ and ‘password’ with your own credentials.

By using Basic Authentication, you can ensure that only authorized users can access your API. However, it’s important to note that this method is not completely secure, as the username and password are sent with each request in plain text. To improve security, you should consider using HTTPS to encrypt the data.

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