diff --git a/README.md b/README.md
index 3fd40a3..d637510 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,7 @@ public function routeNotificationForWebhook()
 ### Available methods
 
 - `data('')`: Accepts a JSON-encodable value for the Webhook body.
+- `form('')`: Accepts a associative array for the Webhook send as form encoded data.
 - `query('')`: Accepts an associative array of query string values to add to the request.
 - `userAgent('')`: Accepts a string value for the Webhook user agent.
 - `header($name, $value)`: Sets additional headers to send with the POST Webhook.
diff --git a/src/WebhookChannel.php b/src/WebhookChannel.php
index 3785ccd..69047eb 100644
--- a/src/WebhookChannel.php
+++ b/src/WebhookChannel.php
@@ -23,8 +23,8 @@ public function __construct(Client $client)
     /**
      * Send the given notification.
      *
-     * @param mixed $notifiable
-     * @param \Illuminate\Notifications\Notification $notification
+     * @param  mixed $notifiable
+     * @param  \Illuminate\Notifications\Notification $notification
      *
      * @return \GuzzleHttp\Psr7\Response
      *
@@ -38,12 +38,20 @@ public function send($notifiable, Notification $notification)
 
         $webhookData = $notification->toWebhook($notifiable)->toArray();
 
-        $response = $this->client->post($url, [
+        $options = [
             'query' => Arr::get($webhookData, 'query'),
-            'body' => json_encode(Arr::get($webhookData, 'data')),
             'verify' => Arr::get($webhookData, 'verify'),
             'headers' => Arr::get($webhookData, 'headers'),
-        ]);
+        ];
+
+        if (Arr::get($webhookData, 'form')) {
+            $options['form_params'] = Arr::get($webhookData, 'form');
+        }
+        if (Arr::get($webhookData, 'data')) {
+            $options['body'] = json_encode(Arr::get($webhookData, 'data'));
+        }
+
+        $response = $this->client->post($url, $options);
 
         if ($response->getStatusCode() >= 300 || $response->getStatusCode() < 200) {
             throw CouldNotSendNotification::serviceRespondedWithAnError($response);
diff --git a/src/WebhookMessage.php b/src/WebhookMessage.php
index 63c3367..2491cfd 100644
--- a/src/WebhookMessage.php
+++ b/src/WebhookMessage.php
@@ -18,6 +18,13 @@ class WebhookMessage
      */
     protected $data;
 
+    /**
+     * The POST data of the Webhook request which is send as x-www-form-urlencoded.
+     *
+     * @var null|array
+     */
+    protected $form;
+
     /**
      * The headers to send with the request.
      *
@@ -40,7 +47,7 @@ class WebhookMessage
     protected $verify = false;
 
     /**
-     * @param mixed $data
+     * @param  mixed $data
      *
      * @return static
      */
@@ -50,7 +57,7 @@ public static function create($data = '')
     }
 
     /**
-     * @param mixed $data
+     * @param  mixed $data
      */
     public function __construct($data = '')
     {
@@ -60,8 +67,7 @@ public function __construct($data = '')
     /**
      * Set the Webhook parameters to be URL encoded.
      *
-     * @param mixed $query
-     *
+     * @param  mixed $query
      * @return $this
      */
     public function query($query)
@@ -74,8 +80,7 @@ public function query($query)
     /**
      * Set the Webhook data to be JSON encoded.
      *
-     * @param mixed $data
-     *
+     * @param  mixed $data
      * @return $this
      */
     public function data($data)
@@ -86,11 +91,23 @@ public function data($data)
     }
 
     /**
-     * Add a Webhook request custom header.
+     * Set the Webhook data to be send as x-www-form-urlencoded.
      *
-     * @param string $name
-     * @param string $value
+     * @param  null|array $form
+     * @return $this
+     */
+    public function form($form)
+    {
+        $this->form = $form;
+
+        return $this;
+    }
+
+    /**
+     * Add a Webhook request custom header.
      *
+     * @param  string $name
+     * @param  string $value
      * @return $this
      */
     public function header($name, $value)
@@ -103,8 +120,7 @@ public function header($name, $value)
     /**
      * Set the Webhook request UserAgent.
      *
-     * @param string $userAgent
-     *
+     * @param  string $userAgent
      * @return $this
      */
     public function userAgent($userAgent)
@@ -134,6 +150,7 @@ public function toArray()
         return [
             'query' => $this->query,
             'data' => $this->data,
+            'form' => $this->form,
             'headers' => $this->headers,
             'verify' => $this->verify,
         ];
diff --git a/tests/ChannelTest.php b/tests/ChannelTest.php
index 6e57427..99ace21 100644
--- a/tests/ChannelTest.php
+++ b/tests/ChannelTest.php
@@ -74,7 +74,6 @@ public function it_can_send_a_notification_with_query_string()
                     'query' => [
                         'webhook' => 'data',
                     ],
-                    'body' => '""',
                     'verify' => false,
                     'headers' => [
                         'User-Agent' => 'WebhookAgent',
@@ -88,6 +87,33 @@ public function it_can_send_a_notification_with_query_string()
         $channel->send(new TestNotifiable(), new QueryTestNotification());
     }
 
+    /** @test */
+    public function it_can_send_a_notification_as_form_urlencoded()
+    {
+        $response = new Response();
+        $client = \Mockery::mock(Client::class);
+        $client->shouldReceive('post')
+            ->once()
+            ->with(
+                'https://notifiable-webhook-url.com',
+                [
+                    'query' => null,
+                    'form_params' => [
+                        'webhook' => 'data',
+                    ],
+                    'verify' => false,
+                    'headers' => [
+                        'User-Agent' => 'WebhookAgent',
+                        'X-Custom' => 'CustomHeader',
+                    ],
+                ]
+            )
+            ->andReturn($response);
+
+        $channel = new WebhookChannel($client);
+        $channel->send(new TestNotifiable(), new FormTestNotification());
+    }
+
     /**
      * @test
      */
@@ -143,8 +169,19 @@ public function toWebhook($notifiable)
     {
         return
             (new WebhookMessage())
-                ->query(['webhook' => 'data'])
-                ->userAgent('WebhookAgent')
-                ->header('X-Custom', 'CustomHeader');
+            ->query(['webhook' => 'data'])
+            ->userAgent('WebhookAgent')
+            ->header('X-Custom', 'CustomHeader');
+    }
+}
+
+class FormTestNotification extends Notification
+{
+    public function toWebhook($notifiable)
+    {
+        return (new WebhookMessage())
+            ->form(['webhook' => 'data'])
+            ->userAgent('WebhookAgent')
+            ->header('X-Custom', 'CustomHeader');
     }
 }
diff --git a/tests/MessageTest.php b/tests/MessageTest.php
index 3e5a800..ba6944c 100644
--- a/tests/MessageTest.php
+++ b/tests/MessageTest.php
@@ -40,6 +40,13 @@ public function it_can_set_the_webhook_query()
         $this->assertEquals(['foo' => 'bar'], Arr::get($this->message->toArray(), 'query'));
     }
 
+    /** @test */
+    public function it_can_set_the_webhook_form_params()
+    {
+        $this->message->form(['foo' => 'bar']);
+        $this->assertEquals(['foo' => 'bar'], Arr::get($this->message->toArray(), 'form'));
+    }
+
     /** @test */
     public function it_can_set_the_webhook_data()
     {