diff --git a/src/Endpoints/CustomHostnames.php b/src/Endpoints/CustomHostnames.php
index a7f09b0..8846c06 100644
--- a/src/Endpoints/CustomHostnames.php
+++ b/src/Endpoints/CustomHostnames.php
@@ -14,7 +14,7 @@ use Cloudflare\API\Traits\BodyAccessorTrait;
 class CustomHostnames implements API
 {
     use BodyAccessorTrait;
-    
+
     private $adapter;
 
     public function __construct(Adapter $adapter)
@@ -30,12 +30,15 @@ class CustomHostnames implements API
      * @param string $hostname
      * @param string $sslMethod
      * @param string $sslType
-     * @param array $sslSettings
+     * @param array  $sslSettings
      * @param string $customOriginServer
-     * @param bool $wildcard
+     * @param bool   $wildcard
+     * @param string $bundleMethod
+     * @param string $customKey
+     * @param string $customCertificate
      * @return \stdClass
      */
-    public function addHostname(string $zoneID, string $hostname, string $sslMethod = 'http', string $sslType = 'dv', array $sslSettings = [], string $customOriginServer = '', bool $wildcard = false): \stdClass
+    public function addHostname(string $zoneID, string $hostname, string $sslMethod = 'http', string $sslType = 'dv', array $sslSettings = [], string $customOriginServer = '', bool $wildcard = false, string $bundleMethod = '', string $customKey = '', string $customCertificate = ''): \stdClass
     {
         $options = [
             'hostname' => $hostname,
@@ -51,6 +54,18 @@ class CustomHostnames implements API
             $options['custom_origin_server'] = $customOriginServer;
         }
 
+        if (empty($bundleMethod) === false) {
+            $options['bundle_method'] = $bundleMethod;
+        }
+
+        if (empty($customKey) === false) {
+            $options['custom_key'] = $customKey;
+        }
+
+        if (empty($customCertificate) === false) {
+            $options['custom_certificate'] = $customCertificate;
+        }
+
         $zone = $this->adapter->post('zones/'.$zoneID.'/custom_hostnames', $options);
         $this->body = json_decode($zone->getBody());
         return $this->body->result;
diff --git a/tests/Endpoints/CustomHostnamesTest.php b/tests/Endpoints/CustomHostnamesTest.php
index 7298d86..4cfd971 100644
--- a/tests/Endpoints/CustomHostnamesTest.php
+++ b/tests/Endpoints/CustomHostnamesTest.php
@@ -17,6 +17,61 @@ class CustomHostnamesTest extends TestCase
         $mock = $this->getMockBuilder(\Cloudflare\API\Adapter\Adapter::class)->getMock();
         $mock->method('post')->willReturn($response);
 
+        $customKey = <<<KEY
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
+KEY;
+    $customCertificate = <<<CERTIFICATE
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+CERTIFICATE;
+
         $mock->expects($this->once())
             ->method('post')
             ->with(
@@ -33,6 +88,9 @@ class CustomHostnamesTest extends TestCase
                             'min_tls_version' => '1.2'
                         ]
                     ],
+                    'bundle_method' => 'optimal',
+                    'custom_key' => $customKey,
+                    'custom_certificate' => $customCertificate,
                     'wildcard' => true,
                 ])
             );
@@ -43,7 +101,7 @@ class CustomHostnamesTest extends TestCase
             'http3' => 'on',
             'min_tls_version' => '1.2'
         ];
-        $hostname->addHostname('023e105f4ecef8ad9ca31a8372d0c353', 'app.example.com', 'http', 'dv', $sslSettings, 'origin.example.com', true);
+        $hostname->addHostname('023e105f4ecef8ad9ca31a8372d0c353', 'app.example.com', 'http', 'dv', $sslSettings, 'origin.example.com', true, 'optimal', $customKey, $customCertificate);
         $this->assertEquals('0d89c70d-ad9f-4843-b99f-6cc0252067e9', $hostname->getBody()->result->id);
     }