diff --git a/src/MultiDownloaderClient.php b/src/MultiDownloaderClient.php
index e6807d9..fb4b99e 100644
--- a/src/MultiDownloaderClient.php
+++ b/src/MultiDownloaderClient.php
@@ -16,6 +16,10 @@ class MultiDownloaderClient
         }
 
         $this->apiKey = $apiKey;
+
+        if (!empty($options['apiUrl'])) {
+            $this->apiUrl = $options['apiUrl'];
+        }
     }
 
     public function downloadAsString(array $files)