diff --git a/config/push.php b/config/push.php
index 64d8f31..b2d9aa4 100644
--- a/config/push.php
+++ b/config/push.php
@@ -2,5 +2,6 @@
 
 return [
     'api_key' => env('PUSH_API_KEY', null),
-    'api_url' => env('PUSH_API_URL', null)
+    'api_url' => env('PUSH_API_URL', null),
+    'test_mode' => env('PUSH_TEST_MODE', false),
 ];
diff --git a/src/PushApi.php b/src/PushApi.php
index 1de2fa1..265b737 100644
--- a/src/PushApi.php
+++ b/src/PushApi.php
@@ -5,6 +5,7 @@ namespace Bluesquare\Push;
 use Bluesquare\Push\PushTemplate;
 use GuzzleHttp\Client;
 use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Log;
 use Psr\Http\Message\StreamInterface;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 
@@ -17,9 +18,17 @@ class PushApi
      */
     private $api_key;
 
-    public function __construct(string $api_key)
+    /**
+     * Test mode
+     *
+     * @var bool
+     */
+    private $test_mode;
+
+    public function __construct(string $api_key, bool $test_mode = false)
     {
         $this->api_key = $api_key;
+        $this->test_mode = $test_mode;
     }
 
     /**
@@ -28,7 +37,7 @@ class PushApi
      * @return \Psr\Http\Message\StreamInterface
      * @throws PushException
      */
-    public function send($template, $notifiable): StreamInterface
+    public function send($template, $notifiable): StreamInterface|false
     {
         $url = config('push.api_url') ?? 'https://push.bluesquare.io/api/send';
 
@@ -51,6 +60,17 @@ class PushApi
                 ];
         }
 
+        if ($this->test_mode) {
+            if (! empty($this->api_key)) {
+                $template->testMode();
+            } else {
+                Log::debug("Push test mode: API key missing, discarding notification", $template->toArray());
+                return false;
+            }
+        } elseif (empty($this->api_key)) {
+            throw new PushException('Push API key is required');
+        }
+
         $multipart_form = [];
 
         foreach ($template as $key => $value) {
@@ -85,7 +105,7 @@ class PushApi
                 ];
             }
         }
-        
+
         return $client->request('post', $url, [
             'multipart' => $multipart_form,
             'headers' => [
diff --git a/src/PushChannel.php b/src/PushChannel.php
index 96558c7..b22a0f8 100644
--- a/src/PushChannel.php
+++ b/src/PushChannel.php
@@ -20,7 +20,7 @@ class PushChannel
      * @return \Psr\Http\Message\StreamInterface
      * @throws PushException
      */
-    public function send($notifiable, Notification $notification): StreamInterface
+    public function send($notifiable, Notification $notification): StreamInterface|false
     {
         $template = $notification->toTemplate($notifiable);
 
diff --git a/src/PushServiceProvider.php b/src/PushServiceProvider.php
index c544261..80b29a7 100644
--- a/src/PushServiceProvider.php
+++ b/src/PushServiceProvider.php
@@ -19,7 +19,7 @@ class PushServiceProvider extends ServiceProvider
         );
 
         $this->app->singleton(PushApi::class, function ($app) {
-            return new PushApi($app['config']['push']['api_key']);
+            return new PushApi($app['config']['push']['api_key'], $app['config']['push']['test_mode']);
         });
     }
 
diff --git a/src/PushTemplate.php b/src/PushTemplate.php
index f80eb2c..ed98279 100644
--- a/src/PushTemplate.php
+++ b/src/PushTemplate.php
@@ -78,10 +78,6 @@ class PushTemplate implements \JsonSerializable
     public function __construct(string $template_id)
     {
         $this->template_id = $template_id;
-
-        if (env('PUSH_TEST_MODE', false)) {
-            $this->testMode();
-        }
     }
 
     /**