Made a cron controller.

.env.example

@@ -18,4 +18,7 @@ EMAIL_PASSWORD=
 ANALYTICS_ID=
 EMAIL_PRETEND=false
 RUNCLEANUP=true
-SITE_OWNER=mail@example.com
+SITE_OWNER=mail@example.com
+
+SENDGRID_USERNAME=
+SENDGRID_PASSWORD=

app/Http/Controllers/CronController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace FireflyIII\Http\Controllers;
+
+use FireflyIII\User;
+
+/**
+ * Class WebhookController
+ *
+ * @package FireflyIII\Http\Controllers
+ */
+class CronController extends Controller
+{
+
+    /**
+     *
+     */
+    public function sendgrid()
+    {
+
+        $URL        = 'https://api.sendgrid.com/api/bounces.get.json';
+        $parameters = [
+            'api_user' => env('SENDGRID_USERNAME'),
+            'api_key'  => env('SENDGRID_PASSWORD'),
+            'date'     => 1,
+            'days'     => 7
+        ];
+        $fullURL    = $URL . '?' . http_build_query($parameters);
+        $data       = json_decode(file_get_contents($fullURL));
+        $users      = [];
+        // loop the result, if any.
+        if (is_array($data)) {
+            foreach ($data as $entry) {
+                $address = $entry->email;
+                $users[] = User::where('email', $address);
+
+
+            }
+        }
+
+        /** @var User $user */
+        foreach($users as $user) {
+            if($user) {
+                // block because bounce.
+            }
+        }
+
+    }
+
+}

app/Http/Controllers/WebhookController.php

@@ -1,27 +0,0 @@
-<?php
-
-namespace FireflyIII\Http\Controllers;
-
-use Log;
-
-/**
- * Class WebhookController
- *
- * @package FireflyIII\Http\Controllers
- */
-class WebhookController extends Controller
-{
-
-    /**
-     *
-     */
-    public function sendgrid()
-    {
-        var_dump($_POST);
-        Log::debug(print_r($_POST, true));
-        Log::debug(print_r($_GET, true));
-        Log::debug(print_r($_SERVER, true));
-
-    }
-
-}

app/Http/Middleware/VerifyCsrfToken.php

@@ -13,13 +13,11 @@ class VerifyCsrfToken extends BaseVerifier
 {
 
     /**
-     * Routes we want to exclude.
+     * Routes we want to exclude from CSRF.
      *
      * @var array
      */
-    protected $routes = [
-        'hook/sendgrid',
-    ];
+    protected $routes = [];
 
     /**
      * Handle an incoming request.
@@ -31,23 +29,27 @@ class VerifyCsrfToken extends BaseVerifier
      */
     public function handle($request, Closure $next)
     {
-        if($this->excludedRoutes($request)) {
+        if ($this->excludedRoutes($request)) {
             return $next($request);
         }
+
         return parent::handle($request, $next);
     }
 
     /**
      * This will return a bool value based on route checking.
-
+     *
      * @param  Request $request
+     *
      * @return boolean
      */
     protected function excludedRoutes($request)
     {
-        foreach($this->routes as $route)
-            if ($request->is($route))
+        foreach ($this->routes as $route) {
+            if ($request->is($route)) {
                 return true;
+            }
+        }
 
         return false;
     }

app/Http/routes.php

@@ -158,7 +158,7 @@ Route::bind(
  * Auth\AuthController
  */
 Route::get('/register', ['uses' => 'Auth\AuthController@getRegister', 'as' => 'register']);
-Route::post ('/hook/sendgrid', ['uses' => 'WebhookController@sendgrid']);
+Route::get('/cron/sendgrid', ['uses' => 'CronController@sendgrid']);
 
 Route::controllers(
     [