diff --git a/src/Adyen/Client.php b/src/Adyen/Client.php
index e81aef79a..b5e80dae2 100644
--- a/src/Adyen/Client.php
+++ b/src/Adyen/Client.php
@@ -179,13 +179,20 @@ public function setEnvironment(string $environment, ?string $liveEndpointUrlPref
         $this->config->set('terminalApiCloudEndpoint', $endpoint);
     }
 
+    public function setRegion(string $region): void
+    {
+        $this->config->set('region', $region);
+    }
+
     /**
      * Retrieve the cloud endpoint for a given region and environment.
      *
-     * @param string|null $region The region for which the endpoint is requested. Defaults to the EU endpoint if null or unsupported.
+     * @param string|null $region The region for which the endpoint is requested.
+     * Defaults to the EU endpoint if null or unsupported.
      * @param string $environment The environment, either 'test' or 'live'.
      * @return string The endpoint URL.
      * @throws AdyenException
+     * @deprecated
      */
     public function retrieveCloudEndpoint(?string $region, string $environment): string
     {
@@ -196,13 +203,11 @@ public function retrieveCloudEndpoint(?string $region, string $environment): str
 
         // Check if the environment is LIVE
         if ($environment === Environment::LIVE) {
-            if ($environment === Environment::LIVE) {
                 $region = $region ?? Region::EU;
-                if (!array_key_exists($region, Region::TERMINAL_API_ENDPOINTS_MAPPING)) {
-                    throw new AdyenException("TerminalAPI endpoint for $region is not supported yet");
-                }
-                return Region::TERMINAL_API_ENDPOINTS_MAPPING[$region];
+            if (!array_key_exists($region, Region::TERMINAL_API_ENDPOINTS_MAPPING)) {
+                throw new AdyenException("TerminalAPI endpoint for $region is not supported yet");
             }
+                return Region::TERMINAL_API_ENDPOINTS_MAPPING[$region];
         }
         // Default to TEST endpoint if no valid environment is specified
         return self::ENDPOINT_TERMINAL_CLOUD_TEST;
diff --git a/src/Adyen/Service/PosPayment.php b/src/Adyen/Service/PosPayment.php
index dfd8dd8b8..251d8c7ab 100644
--- a/src/Adyen/Service/PosPayment.php
+++ b/src/Adyen/Service/PosPayment.php
@@ -2,6 +2,7 @@
 
 namespace Adyen\Service;
 
+use Adyen\AdyenException;
 use Adyen\Client;
 use Adyen\Environment;
 use Adyen\Region;
@@ -37,6 +38,9 @@ public function __construct(Client $client)
         $environment = $this->getClient()->getConfig()->get('environment');
 
         if (isset($region) && $environment == Environment::LIVE) {
+            if (!array_key_exists($region, Region::TERMINAL_API_ENDPOINTS_MAPPING)) {
+                throw new AdyenException("TerminalAPI endpoint for $region is not supported yet");
+            }
             $this->getClient()->getConfig()->set(
                 'endpointTerminalCloud',
                 Region::TERMINAL_API_ENDPOINTS_MAPPING[$region]
diff --git a/tests/Unit/RegionTest.php b/tests/Unit/RegionTest.php
index 4393ec3ad..b8eb5c651 100644
--- a/tests/Unit/RegionTest.php
+++ b/tests/Unit/RegionTest.php
@@ -2,6 +2,10 @@
 
 namespace Adyen\Tests\Unit;
 
+use Adyen\AdyenException;
+use Adyen\Client;
+use Adyen\Environment;
+use Adyen\Service\PosPayment;
 use PHPUnit\Framework\TestCase;
 use Adyen\Region;
 
@@ -17,7 +21,7 @@ private function getRegionValues(): array
     {
         $reflection = new \ReflectionClass(Region::class);
         $constants = $reflection->getConstants();
-    
+
         $enumConstants = array_filter($constants, function ($value) {
             return is_string($value);
         });
@@ -71,4 +75,35 @@ public function testTerminalApiEndpointsMapping(): void
             "TERMINAL_API_ENDPOINTS_MAPPING should match the expected mappings."
         );
     }
+
+    /**
+     * @throws AdyenException
+     */
+    public function testSetsUnitedStatesTerminalCloudEndpoint(): void
+    {
+        $client = new Client();
+        $client->setRegion(Region::US);
+        $client->setEnvironment(Environment::LIVE);
+
+        new PosPayment($client);
+
+        $this->assertSame(
+            Client::ENDPOINT_TERMINAL_CLOUD_US_LIVE,
+            $client->getConfig()->get('endpointTerminalCloud')
+        );
+    }
+
+    public function testRejectsUnsupportedRegion(): void
+    {
+        $client = new Client();
+
+        $this->expectException(AdyenException::class);
+        $this->expectExceptionMessage(
+            'TerminalAPI endpoint for in is not supported yet'
+        );
+
+        $client->setRegion(Region::IN);
+        $client->setEnvironment(Environment::LIVE);
+        new PosPayment($client);
+    }
 }