Magento 2 - Custom REST API - Vendor\BonusPoint\Api\BonusPointInterface.php

gistfile1.txt

<?php

namespace Vendor\BonusPoint\Api;

interface BonusPointInterface {

    /**
     * Update free bonus point of a customer.
     *
     * @api
     * @param int $customerId Customer ID.
     * @param int $point Free bonus point balance.
     * @return boolean True if success. Otherwise, false.
     */
    public function updateFreeBonusPoint($customerId, $point);
}