diff --git a/lib/BaseSendGridClientInterface.php b/lib/BaseSendGridClientInterface.php
index 91d244a2..636a1542 100644
--- a/lib/BaseSendGridClientInterface.php
+++ b/lib/BaseSendGridClientInterface.php
@@ -55,11 +55,13 @@ public function __construct($auth, $host, $options = array())
      * Make an API request.
      *
      * @param Mail $email A Mail object, containing the request object
+     * @param array|null $query A query, containing additional settings,
+     *                          e.g., css_inline
      *
      * @return Response
      */
-    public function send(Mail $email)
+    public function send(Mail $email, array $query = null)
     {
-        return $this->client->mail()->send()->post($email);
+        return $this->client->mail()->send()->post($email, $query);
     }
 }