diff --git a/app/Events/ClientWasCreated.php b/app/Events/ClientWasCreated.php
index 8a4c9fc1a6..1fa399469d 100644
--- a/app/Events/ClientWasCreated.php
+++ b/app/Events/ClientWasCreated.php
@@ -1,4 +1,3 @@
-
 <?php
 
 namespace App\Events;
diff --git a/app/Libraries/Utils.php b/app/Libraries/Utils.php
index b11cb1c3b1..e9470253f0 100644
--- a/app/Libraries/Utils.php
+++ b/app/Libraries/Utils.php
@@ -911,32 +911,6 @@ class Utils
         }
     }
 
-    public static function notifyZapier($subscription, $data)
-    {
-        $curl = curl_init();
-        $jsonEncodedData = json_encode($data);
-
-        $opts = [
-            CURLOPT_URL => $subscription->target_url,
-            CURLOPT_RETURNTRANSFER => true,
-            CURLOPT_CUSTOMREQUEST => 'POST',
-            CURLOPT_POST => 1,
-            CURLOPT_POSTFIELDS => $jsonEncodedData,
-            CURLOPT_HTTPHEADER => ['Content-Type: application/json', 'Content-Length: '.strlen($jsonEncodedData)],
-        ];
-
-        curl_setopt_array($curl, $opts);
-
-        $result = curl_exec($curl);
-        $status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
-
-        curl_close($curl);
-
-        if ($status == 410) {
-            $subscription->delete();
-        }
-    }
-
     public static function getApiHeaders($count = 0)
     {
         return [
diff --git a/app/Listeners/SubscriptionListener.php b/app/Listeners/SubscriptionListener.php
index c5fac2b6c1..df0928e354 100644
--- a/app/Listeners/SubscriptionListener.php
+++ b/app/Listeners/SubscriptionListener.php
@@ -257,7 +257,39 @@ class SubscriptionListener
         }
 
         foreach ($subscriptions as $subscription) {
-            Utils::notifyZapier($subscription, $data);
+            self::notifySubscription($subscription, $data);
         }
     }
+
+    private static function notifySubscription($subscription, $data)
+    {
+        $curl = curl_init();
+        $jsonEncodedData = json_encode($data);
+        $url = $subscription->target_url;
+
+        if (! Utils::isNinja() && $secret = env('SUBSCRIPTION_SECRET')) {
+            $url .= '?secret=' . $secret;
+        }
+
+        $opts = [
+            CURLOPT_URL => $url,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_CUSTOMREQUEST => 'POST',
+            CURLOPT_POST => 1,
+            CURLOPT_POSTFIELDS => $jsonEncodedData,
+            CURLOPT_HTTPHEADER => ['Content-Type: application/json', 'Content-Length: '.strlen($jsonEncodedData)],
+        ];
+
+        curl_setopt_array($curl, $opts);
+
+        $result = curl_exec($curl);
+        $status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+
+        curl_close($curl);
+
+        if ($status == 410) {
+            $subscription->delete();
+        }
+    }
+
 }
diff --git a/docs/configure.rst b/docs/configure.rst
index 7e8c1273ff..413b51321a 100644
--- a/docs/configure.rst
+++ b/docs/configure.rst
@@ -99,9 +99,9 @@ Security
 
 To require a password to update the app add ``UPDATE_SECRET=random_value`` to the .env file and then use /update?secret=random_value to update.
 
-By default the app clears the session when the browser is closed and automatically logs the user out after 8 hours.
+By default the app clears the session when the browser is closed and automatically logs the user out after 8 hours. This can be modified by setting ``REMEMBER_ME_ENABLED`` and ``AUTO_LOGOUT_SECONDS`` in the .env file.
 
-This can be modified by setting ``REMEMBER_ME_ENABLED`` and ``AUTO_LOGOUT_SECONDS`` in the .env file.
+To include a secret when notifying subscriptions add ``SUBSCRIPTION_SECRET=random_value`` to the .env file.
 
 Google Map
 """"""""""