/home/kueuepay/public_html/config/paypal.php
<?php

/**
 * PayPal Setting & API Credentials
 * Created by Raza Mehdi <srmk@outlook.com>.
 */

return [
    'mode'    => 'sandbox', // Can only be 'sandbox' Or 'live'. If empty or invalid, 'live' will be used.
    'sandbox' => [
        'client_id'         => '-',
        'client_secret'     => '-',
        'app_id'            => '-',
    ],
    'live' => [
        'client_id'         => '-',
        'client_secret'     => '-',
        'app_id'            => '-',
    ],

    'payment_action' => env('PAYPAL_PAYMENT_ACTION', 'Sale'), // Can only be 'Sale', 'Authorization' or 'Order'
    'currency'       => env('PAYPAL_CURRENCY', 'USD'),
    'notify_url'     => env('PAYPAL_NOTIFY_URL', ''), // Change this accordingly for your application.
    'locale'         => env('PAYPAL_LOCALE', 'en_US'), // force gateway language  i.e. it_IT, es_ES, en_US ... (for express checkout only)
    'validate_ssl'   => env('PAYPAL_VALIDATE_SSL', true), // Validate SSL when creating api client.
];
Path: home/kueuepay/public_html/config
Best Practice
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Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.
Error Handling Examples