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When you make an AJAX request from your Laravel application to another domain or subdomain, the browser may block the request for security reasons. This is known as a "Cross-Origin Request Blocked" error.

To resolve this error, you need to enable CORS (Cross-Origin Resource Sharing) on your Laravel application. CORS is a mechanism that allows resources on a web page to be requested from another domain outside the domain from which the resource originated.

You can enable CORS in Laravel by adding the following code to the app/Http/Middleware/VerifyCsrfToken.php file:

protected $addHttpCookie = true;
protected $except = [
    '/*'
];

This code tells Laravel to exclude all routes from CSRF protection, allowing cross-origin requests to be made without being blocked.

You can also use this Alternatively way.

Step 1: Install Compose Package

Alternatively, you can install the barryvdh/laravel-cors package using Composer to enable CORS in your Laravel application. This package provides a middleware that you can add to your Laravel application to allow cross-origin requests. Here are the steps to install and use the package:

Install the package using Composer:

composer require barryvdh/laravel-cors

Step 2: Add Middleware

Add the following code to the $middleware array in the app/Http/Kernel.php file:

\Barryvdh\Cors\HandleCors::class

Step 2: Configure CORS

Add the following code to the config/cors.php file to specify the domains that are allowed to make cross-origin requests:

'allowed_origins' => [
    '*',
],
'allowed_methods' => [
    'POST',
    'GET',
    'OPTIONS',
    'PUT',
    'PATCH',
    'DELETE',
],
'allowed_headers' => [
    'Content-Type',
    'X-Requested-With',
    'Authorization',
],

With these steps, you should be able to make cross-origin requests from your Laravel application without encountering the "Cross-Origin Request Blocked" error.

I hope it can help you...