https://packagist.org/packages/overint/php-paypal-ipn
overint/php-paypal-ipn - Packagist.org
PHP Class for verifying PayPal IPN messages
paypal ipnphppackagist
https://packagist.org/packages/brunodebarros/paypal-ipn-laravel
brunodebarros/paypal-ipn-laravel - Packagist.org
A PayPal IPN client for Laravel.
paypal ipnlaravelpackagist