diff --git a/src/Subscription/Controller/SubscriberController.php b/src/Subscription/Controller/SubscriberController.php
index a281b659..9d3aecb4 100644
--- a/src/Subscription/Controller/SubscriberController.php
+++ b/src/Subscription/Controller/SubscriberController.php
@@ -18,6 +18,7 @@
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\Routing\Attribute\Route;
 
 /**
@@ -281,4 +282,53 @@ public function deleteSubscriber(
 
         return $this->json(null, Response::HTTP_NO_CONTENT);
     }
+
+    #[Route('/confirm', name: 'confirm', methods: ['GET'])]
+    #[OA\Get(
+        path: '/api/v2/subscribers/confirm',
+        description: '🚧 **Status: Beta** – This method is under development. Avoid using in production.',
+        summary: 'Confirm a subscriber by uniqueId.',
+        requestBody: new OA\RequestBody(
+            required: true,
+            content: new OA\JsonContent(
+                properties: [
+                    new OA\Property(property: 'uniqueId', type: 'string', example: 'e9d8c9b2e6')
+                ]
+            )
+        ),
+        tags: ['subscribers'],
+        responses: [
+            new OA\Response(
+                response: 200,
+                description: 'Subscriber confirmed',
+                content: new OA\MediaType(
+                    mediaType: 'text/html'
+                )
+            ),
+            new OA\Response(
+                response: 400,
+                description: 'Missing or invalid uniqueId'
+            ),
+            new OA\Response(
+                response: 404,
+                description: 'Subscriber not found'
+            )
+        ]
+    )]
+    public function setSubscriberAsConfirmed(Request $request): Response
+    {
+        $uniqueId = $request->query->get('uniqueId');
+
+        if (!$uniqueId) {
+            return new Response('<h1>Missing confirmation code.</h1>', 400);
+        }
+
+        try {
+            $this->subscriberManager->markAsConfirmedByUniqueId($uniqueId);
+        } catch (NotFoundHttpException) {
+            return new Response('<h1>Subscriber isn\'t found or already confirmed.</h1>', 404);
+        }
+
+        return new Response('<h1>Thank you, your subscription is confirmed!</h1>');
+    }
 }
diff --git a/src/Subscription/Controller/SubscriberImportController.php b/src/Subscription/Controller/SubscriberImportController.php
index 57e546d5..683140b8 100644
--- a/src/Subscription/Controller/SubscriberImportController.php
+++ b/src/Subscription/Controller/SubscriberImportController.php
@@ -55,7 +55,7 @@ public function __construct(
                             description: 'List id to add imported subscribers to',
                             type: 'string',
                             default: null,
-                            pattern: "^\\d+$"
+                            pattern: '^\\d+$'
                         ),
                         new OA\Property(
                             property: 'update_existing',
diff --git a/tests/Integration/Subscription/Controller/SubscriberControllerTest.php b/tests/Integration/Subscription/Controller/SubscriberControllerTest.php
index 2ee4c226..3ffb4dd2 100644
--- a/tests/Integration/Subscription/Controller/SubscriberControllerTest.php
+++ b/tests/Integration/Subscription/Controller/SubscriberControllerTest.php
@@ -9,6 +9,7 @@
 use PhpList\RestBundle\Subscription\Controller\SubscriberController;
 use PhpList\RestBundle\Tests\Integration\Common\AbstractTestController;
 use PhpList\RestBundle\Tests\Integration\Subscription\Fixtures\SubscriberFixture;
+use Symfony\Component\HttpFoundation\Response;
 
 /**
  * Testcase.
@@ -165,4 +166,44 @@ public function testPostSubscribersWithValidSessionKeyAssignsProvidedSubscriberD
         static::assertTrue($responseContent['html_email']);
         static::assertFalse($responseContent['disabled']);
     }
+    public function testSetSubscriberAsConfirmedWithMissingUniqueIdReturnsBadRequestStatus()
+    {
+        self::getClient()->request('get', '/api/v2/subscribers/confirm');
+
+        $response = self::getClient()->getResponse();
+        self::assertSame(Response::HTTP_BAD_REQUEST, $response->getStatusCode());
+        self::assertStringContainsString('Missing confirmation code', $response->getContent());
+    }
+
+    public function testSetSubscriberAsConfirmedWithInvalidUniqueIdReturnsNotFoundStatus()
+    {
+        self::getClient()->request('get', '/api/v2/subscribers/confirm', ['uniqueId' => 'invalid-unique-id']);
+
+        $response = self::getClient()->getResponse();
+        self::assertSame(Response::HTTP_NOT_FOUND, $response->getStatusCode());
+        self::assertStringContainsString('Subscriber isn\'t found', $response->getContent());
+    }
+
+    public function testSetSubscriberAsConfirmedWithValidUniqueIdConfirmsSubscriber()
+    {
+        $email = 'unconfirmed1@example.com';
+        $jsonData = ['email' => $email, 'requestConfirmation' => true];
+
+        $this->authenticatedJsonRequest('post', '/api/v2/subscribers', [], [], [], json_encode($jsonData));
+        $responseContent = $this->getDecodedJsonResponseContent();
+        $uniqueId = $responseContent['unique_id'];
+
+        $subscriberId = $responseContent['id'];
+        $subscriber = $this->subscriberRepository->find($subscriberId);
+        self::assertFalse($subscriber->isConfirmed());
+
+        self::getClient()->request('get', '/api/v2/subscribers/confirm', ['uniqueId' => $uniqueId]);
+
+        $response = self::getClient()->getResponse();
+        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
+        self::assertStringContainsString('Thank you, your subscription is confirmed', $response->getContent());
+
+        $subscriber = $this->subscriberRepository->findOneByUniqueId($uniqueId);
+        self::assertTrue($subscriber->isConfirmed());
+    }
 }