diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 585895f9d..1610eedfe 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1 +1 @@
-* @AlexandrosMor @acampos1916 @peterojo @rikterbeek @morerice @michaelpaul @candemiralp
+* @AlexandrosMor @acampos1916 @peterojo @rikterbeek @morerice @michaelpaul @candemiralp @RokPopov
\ No newline at end of file
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c4e07ec21..ee7ce9a18 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -36,6 +36,7 @@ jobs:
           INTEGRATION_PASSWORD: ${{ secrets.INTEGRATION_PASSWORD }}
           INTEGRATION_X_API_KEY: ${{ secrets.INTEGRATION_X_API_KEY }}
           INTEGRATION_MERCHANT_ACCOUNT: ${{ secrets.INTEGRATION_MERCHANT_ACCOUNT }}
+          INTEGRATION_DONATION_ACCOUNT: ${{ secrets.INTEGRATION_DONATION_ACCOUNT }}
           INTEGRATION_SKIN_CODE: ${{ secrets.INTEGRATION_SKIN_CODE }}
           INTEGRATION_HMAC_SIGNATURE: ${{ secrets.INTEGRATION_HMAC_SIGNATURE }}
           INTEGRATION_STORE_PAYOUT_USERNAME: ${{ secrets.INTEGRATION_STORE_PAYOUT_USERNAME }}
diff --git a/README.md b/README.md
index 6ee119bab..85a77747c 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,12 @@
 
 This is the officially supported PHP library for using Adyen's APIs.
 
+[![version](https://img.shields.io/badge/version-13.0.0-blue.svg)](https://docs.adyen.com/development-resources/libraries)
+
 ## Integration
 The library supports all APIs under the following services:
 
-* [Checkout API](https://docs.adyen.com/api-explorer/#/CheckoutService/v68/overview): Our latest integration for accepting online payments. Current supported version: **v68**
+* [Checkout API](https://docs.adyen.com/api-explorer/#/CheckoutService/v69/overview): Our latest integration for accepting online payments. Current supported version: **v69**
 * [Payments API](https://docs.adyen.com/api-explorer/#/Payment/v51/overview): Our classic integration for online payments. Current supported version: **v51**
 * [Recurring API](https://docs.adyen.com/api-explorer/#/Recurring/v49/overview): Endpoints for managing saved payment details. Current supported version: **v49**
 * [Payouts API](https://docs.adyen.com/api-explorer/#/Payout/v51/overview): Endpoints for sending funds to your customers. Current supported version: 
diff --git a/src/Adyen/Client.php b/src/Adyen/Client.php
index 805b5e7f1..be8aef99b 100644
--- a/src/Adyen/Client.php
+++ b/src/Adyen/Client.php
@@ -10,7 +10,7 @@
 
 class Client
 {
-    const LIB_VERSION = "12.2.0";
+    const LIB_VERSION = "13.0.0";
     const LIB_NAME = "adyen-php-api-library";
     const USER_AGENT_SUFFIX = "adyen-php-api-library/";
     const ENDPOINT_TEST = "https://pal-test.adyen.com";
@@ -22,7 +22,7 @@ class Client
     const API_BIN_LOOKUP_VERSION = "v50";
     const API_PAYOUT_VERSION = "v51";
     const API_RECURRING_VERSION = "v49";
-    const API_CHECKOUT_VERSION = "v68";
+    const API_CHECKOUT_VERSION = "v69";
     const API_CHECKOUT_UTILITY_VERSION = "v1";
     const API_NOTIFICATION_VERSION = "v6";
     const API_ACCOUNT_VERSION = "v6";
diff --git a/src/Adyen/Service/ResourceModel/Management/MerchantAccount.php b/src/Adyen/Service/ResourceModel/Management/MerchantAccount.php
index 94e0dc9a6..e3eb35d07 100644
--- a/src/Adyen/Service/ResourceModel/Management/MerchantAccount.php
+++ b/src/Adyen/Service/ResourceModel/Management/MerchantAccount.php
@@ -33,4 +33,16 @@ public function get($merchantId)
         $url = $this->managementEndpoint . "/merchants/" . $merchantId;
         return $this->requestHttp($url, 'get');
     }
+
+    /**
+     * @param $merchantId
+     * @param array $queryParams
+     * @return mixed
+     * @throws \Adyen\AdyenException
+     */
+    public function paymentMethodSettings($merchantId, array $queryParams = [])
+    {
+        $url = $this->managementEndpoint . "/merchants/" . $merchantId . "/paymentMethodSettings";
+        return $this->requestHttp($url, 'get', $queryParams);
+    }
 }
diff --git a/src/Adyen/Service/ResourceModel/Management/MerchantWebhooks.php b/src/Adyen/Service/ResourceModel/Management/MerchantWebhooks.php
index f20370ce5..3fefe4cf2 100644
--- a/src/Adyen/Service/ResourceModel/Management/MerchantWebhooks.php
+++ b/src/Adyen/Service/ResourceModel/Management/MerchantWebhooks.php
@@ -4,9 +4,13 @@
 namespace Adyen\Service\ResourceModel\Management;
 
 use Adyen\AdyenException;
+use Adyen\Service\AbstractResource;
 
-class MerchantWebhooks extends \Adyen\Service\AbstractResource
+class MerchantWebhooks extends AbstractResource
 {
+    const MERCHANTS = "/merchants/";
+    const WEBHOOKS = "/webhooks";
+
     /**
      * Include applicationInfo key in the request parameters
      *
@@ -14,6 +18,17 @@ class MerchantWebhooks extends \Adyen\Service\AbstractResource
      */
     protected $allowApplicationInfo = false;
 
+    /**
+     * @param $merchantId
+     * @return mixed
+     * @throws AdyenException
+     */
+    public function list($merchantId)
+    {
+        $url = $this->managementEndpoint . self::MERCHANTS . $merchantId . self::WEBHOOKS;
+        return $this->requestHttp($url, 'get');
+    }
+
     /**
      * @param $merchantId
      * @param $params
@@ -22,7 +37,7 @@ class MerchantWebhooks extends \Adyen\Service\AbstractResource
      */
     public function create($merchantId, $params)
     {
-        $url = $this->managementEndpoint . "/merchants/" . $merchantId . "/webhooks";
+        $url = $this->managementEndpoint . self::MERCHANTS . $merchantId . self::WEBHOOKS;
         return $this->requestHttp($url, 'post', $params);
     }
 
@@ -35,7 +50,7 @@ public function create($merchantId, $params)
      */
     public function update($merchantId, $webhookId, $params)
     {
-        $url = $this->managementEndpoint . "/merchants/" . $merchantId . "/webhooks/" . $webhookId;
+        $url = $this->managementEndpoint . self::MERCHANTS . $merchantId . self::WEBHOOKS . "/" . $webhookId;
         return $this->requestHttp($url, 'patch', $params);
     }
 
@@ -47,7 +62,21 @@ public function update($merchantId, $webhookId, $params)
      */
     public function generateHmac($merchantId, $webhookId)
     {
-        $url = $this->managementEndpoint . "/merchants/" . $merchantId . "/webhooks/" . $webhookId . "/generateHmac";
+        $url = $this->managementEndpoint . self::MERCHANTS . $merchantId . self::WEBHOOKS . "/"
+            . $webhookId . "/generateHmac";
         return $this->requestHttp($url, 'post');
     }
+
+    /**
+     * @param $merchantId
+     * @param $webhookId
+     * @param $params
+     * @return mixed
+     * @throws AdyenException
+     */
+    public function test($merchantId, $webhookId, $params)
+    {
+        $url = $this->managementEndpoint . self::MERCHANTS . $merchantId . self::WEBHOOKS . "/" . $webhookId . "/test";
+        return $this->requestHttp($url, 'post', $params);
+    }
 }
diff --git a/tests/Integration/CheckoutTest.php b/tests/Integration/CheckoutTest.php
index 87a3248d1..ff6d63851 100644
--- a/tests/Integration/CheckoutTest.php
+++ b/tests/Integration/CheckoutTest.php
@@ -280,7 +280,7 @@ public function testDonationsSuccess()
             'reference' => "Your order number",
             'donationToken' => $paymentResult['donationToken'],
             'donationOriginalPspReference' => $paymentResult['pspReference'],
-            'donationAccount' => $this->merchantAccount,
+            'donationAccount' => $this->donationAccount,
             'returnUrl' => self::RETURN_URL,
             'shopperInteraction' => "Ecommerce"
         );
diff --git a/tests/Integration/ManagementTest.php b/tests/Integration/ManagementTest.php
index 03b64272f..27de7e1f9 100644
--- a/tests/Integration/ManagementTest.php
+++ b/tests/Integration/ManagementTest.php
@@ -209,6 +209,33 @@ public function testGenerateHmac()
         $this->assertNotEmpty($response['hmacKey']);
     }
 
+    /**
+     * post /merchants/{id}/webhooks/{webhookId}/test
+     *
+     * @throws \Adyen\AdyenException
+     */
+    public function testMerchantWebhooksTest()
+    {
+        if (empty($this->settings['merchantAccount']) ||
+            $this->settings['merchantAccount'] == self::YOUR_MERCHANT_ACCOUNT) {
+            $this->skipTest(self::SKIP_TEST_MESSAGE);
+            return null;
+        }
+        $listWebhooksResponse = $this->management->merchantWebhooks->list($this->settings['merchantAccount']);
+        $this->assertNotEmpty($listWebhooksResponse);
+
+        if (isset($listWebhooksResponse['data'][0]['id'])) {
+            $params = ['types' => ['AUTHORISATION']];
+            $testWebhook = $this->management->merchantWebhooks->test(
+                $this->settings['merchantAccount'],
+                $listWebhooksResponse['data'][0]['id'],
+                $params
+            );
+            $this->assertNotEmpty($testWebhook);
+        } else {
+            $this->fail("Unable to retrieve the webhooks");
+        }
+    }
 
     /**
      * Get /me/allowedOrigins
@@ -248,6 +275,18 @@ public function testCreateAllowedOrigins()
         }
     }
 
+    /**
+     * Get /merchants/{id}/paymentMethodSettings
+     */
+    public function testGetPaymentMethodSettings()
+    {
+        $response = $this->management->merchantAccount->paymentMethodSettings($this->settings['merchantAccount']);
+        $this->assertNotEmpty($response['data']);
+        $this->assertNotEmpty($response['data'][0]['PaymentMethod']);
+        $this->assertNotEmpty($response['data'][0]['PaymentMethod']['id']);
+        $this->assertNotEmpty($response['data'][0]['PaymentMethod']['type']);
+    }
+
     /**
      * @param $e
      */
diff --git a/tests/TestCase.php b/tests/TestCase.php
index c8e9d696a..39373b8dc 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -30,6 +30,7 @@
 class TestCase extends \PHPUnit\Framework\TestCase
 {
     protected $merchantAccount;
+    protected $donationAccount;
     protected $skinCode;
     protected $hmacSignature;
 
@@ -45,6 +46,7 @@ public function __construct($name = null, array $data = [], $dataName = '')
         parent::__construct($name, $data, $dataName);
         $this->settings = $this->loadConfig();
         $this->merchantAccount = $this->getMerchantAccount();
+        $this->donationAccount = $this->getDonationAccount();
         $this->skinCode = $this->getSkinCode();
         $this->hmacSignature = $this->getHmacSignature();
 
@@ -70,20 +72,17 @@ private function setDefaultsDuringDevelopment()
      */
     protected function createClient()
     {
-        // load settings from .ini file
-        $settings = $this->settings;
-
         // validate username, password and MERCHANTAccount
 
-        if (!empty($settings['username']) &&
-            $settings['username'] != "YOUR USERNAME" &&
-            !empty($settings['password']) &&
-            $settings['password'] != "YOUR PASSWORD"
+        if (!empty($this->settings['username']) &&
+            $this->settings['username'] != "YOUR USERNAME" &&
+            !empty($this->settings['password']) &&
+            $this->settings['password'] != "YOUR PASSWORD"
         ) {
             $client = new Client();
             $client->setApplicationName("My Test Application");
-            $client->setUsername($settings['username']);
-            $client->setPassword($settings['password']);
+            $client->setUsername($this->settings['username']);
+            $client->setPassword($this->settings['password']);
             $client->setEnvironment(Environment::TEST);
 
             return $client;
@@ -117,16 +116,13 @@ protected function createClientWithoutTestIni()
      */
     protected function createPayoutClient()
     {
-        // load settings from .ini file
-        $settings = $this->settings;
-
         // validate username, password and MERCHANTAccount
 
-        if (isset($settings['storePayoutUsername']) && isset($settings['storePayoutPassword'])) {
-            if ($settings['storePayoutUsername'] == "YOUR STORE PAYOUT USERNAME"
-                || $settings['storePayoutUsername'] == ""
-                || $settings['storePayoutPassword'] == "YOUR STORE PAYOUT PASSWORD"
-                || $settings['storePayoutPassword'] == "") {
+        if (isset($this->settings['storePayoutUsername']) && isset($this->settings['storePayoutPassword'])) {
+            if ($this->settings['storePayoutUsername'] == "YOUR STORE PAYOUT USERNAME"
+                || $this->settings['storePayoutUsername'] == ""
+                || $this->settings['storePayoutPassword'] == "YOUR STORE PAYOUT PASSWORD"
+                || $this->settings['storePayoutPassword'] == "") {
                 $client = new Client();
                 $client->setApplicationName("My Test Application");
                 $client->setEnvironment(Environment::TEST);
@@ -137,8 +133,8 @@ protected function createPayoutClient()
             } else {
                 $client = new Client();
                 $client->setApplicationName("My Test Application");
-                $client->setUsername($settings['storePayoutUsername']);
-                $client->setPassword($settings['storePayoutPassword']);
+                $client->setUsername($this->settings['storePayoutUsername']);
+                $client->setPassword($this->settings['storePayoutPassword']);
                 $client->setEnvironment(Environment::TEST);
                 return $client;
             }
@@ -154,16 +150,13 @@ protected function createPayoutClient()
      */
     protected function createReviewPayoutClient()
     {
-        // load settings from .ini file
-        $settings = $this->settings;
-
         // validate username, password and MERCHANTAccount
 
-        if (isset($settings['reviewPayoutUsername']) && isset($settings['reviewPayoutPassword'])) {
-            if ($settings['reviewPayoutUsername'] == "YOUR REVIEW PAYOUT USERNAME"
-                || $settings['reviewPayoutUsername'] == ""
-                || $settings['reviewPayoutPassword'] == "YOUR REVIEW PAYOUT PASSWORD"
-                || $settings['reviewPayoutPassword'] == "") {
+        if (isset($this->settings['reviewPayoutUsername']) && isset($this->settings['reviewPayoutPassword'])) {
+            if ($this->settings['reviewPayoutUsername'] == "YOUR REVIEW PAYOUT USERNAME"
+                || $this->settings['reviewPayoutUsername'] == ""
+                || $this->settings['reviewPayoutPassword'] == "YOUR REVIEW PAYOUT PASSWORD"
+                || $this->settings['reviewPayoutPassword'] == "") {
                 $client = new Client();
                 $client->setApplicationName("My Test Application");
                 $client->setEnvironment(Environment::TEST);
@@ -174,8 +167,8 @@ protected function createReviewPayoutClient()
             } else {
                 $client = new Client();
                 $client->setApplicationName("My Test Application");
-                $client->setUsername($settings['reviewPayoutUsername']);
-                $client->setPassword($settings['reviewPayoutPassword']);
+                $client->setUsername($this->settings['reviewPayoutUsername']);
+                $client->setPassword($this->settings['reviewPayoutPassword']);
                 $client->setEnvironment(Environment::TEST);
                 return $client;
             }
@@ -188,16 +181,13 @@ protected function createReviewPayoutClient()
 
     protected function createTerminalCloudAPIClient()
     {
-        // load settings from .ini file
-        $settings = $this->settings;
-
-        if (empty($settings['x-api-key']) || $settings['x-api-key'] == 'YOUR X-API KEY') {
+        if (empty($this->settings['x-api-key']) || $this->settings['x-api-key'] == 'YOUR X-API KEY') {
             $this->skipTest("Skipped the test. Configure your x-api-key in the config");
         } else {
             $client = new Client();
             $client->setApplicationName("My Test Terminal API App");
             $client->setEnvironment(Environment::TEST);
-            $client->setXApiKey($settings['x-api-key']);
+            $client->setXApiKey($this->settings['x-api-key']);
             return $client;
         }
     }
@@ -206,15 +196,12 @@ protected function createClientWithMerchantAccount()
     {
         $client = $this->createClient();
 
-        // load settings from .ini file
-        $settings = $this->settings;
-
-        if (empty($settings['merchantAccount']) || $settings['merchantAccount'] == 'YOUR MERCHANTACCOUNT') {
+        if (empty($this->settings['merchantAccount']) || $this->settings['merchantAccount'] == 'YOUR MERCHANTACCOUNT') {
             $this->skipTest("Skipped the test. Configure your MerchantAccount in the config");
             return null;
         }
 
-        $client->setMerchantAccount($settings['merchantAccount']);
+        $client->setMerchantAccount($this->settings['merchantAccount']);
         return $client;
     }
 
@@ -222,59 +209,58 @@ protected function createCheckoutAPIClient()
     {
         $client = $this->createClientWithMerchantAccount();
 
-        // load settings from .ini file
-        $settings = $this->settings;
-
-        if (empty($settings['x-api-key']) || $settings['x-api-key'] == 'YOUR X-API KEY') {
+        if (empty($this->settings['x-api-key']) || $this->settings['x-api-key'] == 'YOUR X-API KEY') {
             $this->skipTest("Skipped the test. Configure your x-api-key");
         } else {
-            $client->setXApiKey($settings['x-api-key']);
+            $client->setXApiKey($this->settings['x-api-key']);
             return $client;
         }
     }
 
     protected function getMerchantAccount()
     {
-        $settings = $this->settings;
+        if (empty($this->settings['merchantAccount']) || $this->settings['merchantAccount'] == 'YOUR MERCHANTACCOUNT') {
+            return null;
+        }
+
+        return $this->settings['merchantAccount'];
+    }
 
-        if (empty($settings['merchantAccount']) || $settings['merchantAccount'] == 'YOUR MERCHANTACCOUNT') {
+    protected function getDonationAccount()
+    {
+        if (empty($this->settings['donationAccount']) ||
+                $this->settings['donationAccount'] == 'YOUR DONATION MERCHANT ACCOUNT') {
             return null;
         }
 
-        return $settings['merchantAccount'];
+        return $this->settings['donationAccount'];
     }
 
     protected function getSkinCode()
     {
-        $settings = $this->settings;
-
-        if (empty($settings['skinCode']) || $settings['skinCode'] == 'YOUR SKIN CODE') {
+        if (empty($this->settings['skinCode']) || $this->settings['skinCode'] == 'YOUR SKIN CODE') {
             return null;
         }
 
-        return $settings['skinCode'];
+        return $this->settings['skinCode'];
     }
 
     protected function getHmacSignature()
     {
-        $settings = $this->settings;
-
-        if (empty($settings['hmacSignature'])|| $settings['hmacSignature'] == 'YOUR HMAC SIGNATURE') {
+        if (empty($this->settings['hmacSignature'])|| $this->settings['hmacSignature'] == 'YOUR HMAC SIGNATURE') {
             return null;
         }
 
-        return $settings['hmacSignature'];
+        return $this->settings['hmacSignature'];
     }
 
     protected function getPOIID()
     {
-        $settings = $this->settings;
-
-        if (empty($settings['POIID']) || $settings['POIID'] == 'MODEL-SERIALNUMBER') {
+        if (empty($this->settings['POIID']) || $this->settings['POIID'] == 'MODEL-SERIALNUMBER') {
             return null;
         }
 
-        return $settings['POIID'];
+        return $this->settings['POIID'];
     }
 
     protected function loadConfig()
@@ -287,6 +273,7 @@ protected function loadConfig()
             'password' => getenv('INTEGRATION_PASSWORD'),
             'x-api-key' => getenv('INTEGRATION_X_API_KEY'),
             'merchantAccount' => getenv('INTEGRATION_MERCHANT_ACCOUNT'),
+            'donationAccount' => getenv('INTEGRATION_DONATION_ACCOUNT'),
             'skinCode' => getenv('INTEGRATION_SKIN_CODE'),
             'hmacSignature' => getenv('INTEGRATION_HMAC_SIGNATURE'),
             'storePayoutUsername' => getenv('INTEGRATION_STORE_PAYOUT_USERNAME'),
diff --git a/tests/Unit/TestCaseMock.php b/tests/Unit/TestCaseMock.php
index 20adcdd0e..147010b39 100644
--- a/tests/Unit/TestCaseMock.php
+++ b/tests/Unit/TestCaseMock.php
@@ -53,7 +53,11 @@ protected function createMockClient($jsonFile, $httpStatus, $errno = null, $envi
             ->willReturn(array($errno, null));
         $curlClient->method('requestJson')
             ->willReturnCallback(function (Service $service, $requestUrl, $params) use ($json, $client, $errno) {
-                $result = json_decode($json, true);
+                if (!is_null($json)) {
+                    $result = json_decode($json, true);
+                } else {
+                    $result = null;
+                }
                 if ($client->getLogger()) {
                     $client->getLogger()->info(json_encode($params));
                     $client->getLogger()->info($json);
diff --git a/tests/config/test.ini.sample b/tests/config/test.ini.sample
index f1946c6d9..a0d6a2ac5 100644
--- a/tests/config/test.ini.sample
+++ b/tests/config/test.ini.sample
@@ -2,6 +2,7 @@
 username = YOUR USERNAME
 password = "YOUR PASSWORD"
 merchantAccount = YOUR MERCHANT ACCOUNT
+donationAccount = YOUR DONATION MERCHANT ACCOUNT
 skinCode = YOUR SKIN CODE
 hmacSignature = YOUR HMAC SIGNATURE
 x-api-key = YOUR X-API KEY