diff --git a/doc/index.md b/doc/index.md
index e47327b..23d7770 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -321,12 +321,12 @@ $mailgun->webhooks()->show('example.com', 'accept');
 
 #### Create a webhooks
 ```php
-$mailgun->webhooks()->create('example.com', 'accept', 'https://www.exmple.com/webhook');
+$mailgun->webhooks()->create('example.com', 'opened', [ 'https://www.exmple.com/webhook' ]);
 ```
 
 #### Update a webhooks
 ```php
-$mailgun->webhooks()->update('example.com', 4711, 'https://www.exmple.com/webhook');
+$mailgun->webhooks()->update('example.com', 4711, [ 'https://www.exmple.com/webhook' ]);
 ```
 
 #### Delete a webhooks
diff --git a/src/Api/Webhook.php b/src/Api/Webhook.php
index 229e2f6..9c2565b 100644
--- a/src/Api/Webhook.php
+++ b/src/Api/Webhook.php
@@ -88,7 +88,7 @@ class Webhook extends HttpApi
     /**
      * @return CreateResponse|ResponseInterface
      */
-    public function create(string $domain, string $id, string $url)
+    public function create(string $domain, string $id, array $url)
     {
         Assert::notEmpty($domain);
         Assert::notEmpty($id);
@@ -107,7 +107,7 @@ class Webhook extends HttpApi
     /**
      * @return UpdateResponse|ResponseInterface
      */
-    public function update(string $domain, string $id, string $url)
+    public function update(string $domain, string $id, array $url)
     {
         Assert::notEmpty($domain);
         Assert::notEmpty($id);
diff --git a/tests/Api/WebhookTest.php b/tests/Api/WebhookTest.php
index 7753cf3..6ad83a5 100644
--- a/tests/Api/WebhookTest.php
+++ b/tests/Api/WebhookTest.php
@@ -79,12 +79,22 @@ class WebhookTest extends TestCase
         $this->setRequestUri('/v3/domains/example.com/webhooks');
         $this->setHydrateClass(CreateResponse::class);
         $this->setRequestBody([
-            'id' => '4711',
-            'url' => 'url',
+            [
+                'name' => 'id',
+                'content' => 'opened'
+            ],
+            [
+                'name' => 'url',
+                'content' => 'url_1'
+            ],
+            [
+                'name' => 'url',
+                'content' => 'url_2'
+            ]
         ]);
 
         $api = $this->getApiInstance('key');
-        $api->create('example.com', '4711', 'url');
+        $api->create('example.com', 'opened', ['url_1', 'url_2']);
     }
 
     public function testUpdate()
@@ -93,11 +103,18 @@ class WebhookTest extends TestCase
         $this->setRequestUri('/v3/domains/example.com/webhooks/4711');
         $this->setHydrateClass(UpdateResponse::class);
         $this->setRequestBody([
-            'url' => 'url',
+            [
+                'name' => 'url',
+                'content' => 'url_1'
+            ],
+            [
+                'name' => 'url',
+                'content' => 'url_2'
+            ]
         ]);
 
         $api = $this->getApiInstance('key');
-        $api->update('example.com', '4711', 'url');
+        $api->update('example.com', '4711', ['url_1', 'url_2'] );
     }
 
     public function testDelete()