David Brown
--- a/src/Api.php
+++ b/src/Api.php
   */
  protected function init() {
    if (!isset($this->client)) {
-      $this->client = Client::create($this->config->get('url'))
-        ->authenticate($this->config->get('token'), Client::AUTH_URL_TOKEN);
+      $localArgs = isset($this->authArguments) ? $this->authArguments : [$this->config->get('token'), Client::AUTH_URL_TOKEN];
--- a/src/Api.php
+++ b/src/Api.php
   */
  protected $client;

+  /**
+   * @var array
+   */
+  protected $authArguments;
+
  /**
   * Api constructor.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   * @param array|null $authArguments
   */
-  public function __construct(ConfigFactoryInterface $config_factory) {
+  public function __construct(ConfigFactoryInterface $config_factory, array $authArguments = NULL) {