diff --git a/src/angelleye/PayPal/EventTypesClass.php b/src/angelleye/PayPal/EventTypesClass.php
index 51573a01..c97bee7b 100644
--- a/src/angelleye/PayPal/EventTypesClass.php
+++ b/src/angelleye/PayPal/EventTypesClass.php
@@ -112,7 +112,7 @@ public function verify_webhook_signature_api($params,$apiContext = null, $restCa
         $payLoad = json_encode($params);      
         $json = self::executeCall(
             "/v1/notifications/verify-webhook-signature", 
-            "GET", 
+            "POST", 
             $payLoad,
             null,
             $apiContext,