diff --git a/HitPay.php b/HitPay.php
index db7fb83..b7d35c4 100644
--- a/HitPay.php
+++ b/HitPay.php
@@ -4,11 +4,11 @@
 
 class HitPay 
 {
-    const version               = '1';
+    const version               = 'v1';
 
     protected $curl;
     protected $endpoint         = 'https://api.hit-pay.com/';
-    protected $endpointSandbox  = 'https://api.staging.hit-pay.com/';
+    protected $endpointSandbox  = 'https://api.sandbox.hit-pay.com/';
     protected $apiKey           = null;
     protected $authToken        = null;
     protected $isSandBox        = false;
@@ -113,8 +113,8 @@ private function api_call($method, $path, array $data=null)
             }
         }
 
-        if ($responseObj['success'] == false) {
-            $message = json_encode($responseObj['message']);
+        if (isset($responseObj['errors']) {
+            $message = json_encode($responseObj['errors']);
             throw new \Exception($message . PHP_EOL);
         }