code: protected function post($path, $data = null)
      {
          $client = $this->getHttpClient();
          $this->prepare($path, $client);
          $response = $this->performPost(Zend_Http_Client::POST, $data, $client);
          return $response;
      }
docs: Réalise une requête POST
  
  @param string $path
  @param mixed $data
  @throws Zend_Http_Client_Exception
  @return Zend_Http_Response