/**
  * Deletes a single item for an object endpoint
  *
  * @param string $apiID API ID
  *
  * @return mixed
  * @throws \Billy\Exception\BillyException
  */
 public function delete($apiID)
 {
     $response = parent::delete($this->url . '?ids[]=' . $apiID);
     $this->validateResponse($response);
     return $response->getBody();
 }