diff --git a/backend/auth/otp/providers.php b/backend/auth/otp/providers.php
index f30e7fb..ee10320 100644
--- a/backend/auth/otp/providers.php
+++ b/backend/auth/otp/providers.php
@@ -193,7 +193,8 @@ function sendIntaleqOtp(string $receiver, string $otp, string $method = 'whatsap
     ];
 
     $response = curlCall("POST", $apiUrl, json_encode($payload), [
-        'Content-Type: application/json'
+        'Content-Type: application/json',
+        "X-App-Key: $appKey"
     ]);
 
     if ($response) {