/home/kueuepay/www/vendor/league/oauth2-server/src/Repositories/ClientRepositoryInterface.php
<?php
/**
 * @author      Alex Bilbie <hello@alexbilbie.com>
 * @copyright   Copyright (c) Alex Bilbie
 * @license     http://mit-license.org/
 *
 * @link        https://github.com/thephpleague/oauth2-server
 */

namespace League\OAuth2\Server\Repositories;

use League\OAuth2\Server\Entities\ClientEntityInterface;

/**
 * Client storage interface.
 */
interface ClientRepositoryInterface extends RepositoryInterface
{
    /**
     * Get a client.
     *
     * @param string $clientIdentifier The client's identifier
     *
     * @return ClientEntityInterface|null
     */
    public function getClientEntity($clientIdentifier);

    /**
     * Validate a client's secret.
     *
     * @param string      $clientIdentifier The client's identifier
     * @param null|string $clientSecret     The client's secret (if sent)
     * @param null|string $grantType        The type of grant the client is using (if sent)
     *
     * @return bool
     */
    public function validateClient($clientIdentifier, $clientSecret, $grantType);
}
Authentication

Authentication

To access the Kueue Pay Developer API, you’ll need an API key. You can obtain your API key by logging in to your Kueue Pay merchant account and navigating to the API section. Collect Client ID , Secret ID & Merchant ID Carefully. Keep your API key confidential and do not share it publicly.

If you don't have any merchant account please Register to continue