diff --git a/app/config/packages/security.yaml b/app/config/packages/security.yaml
index d545fc7..a08ebbe 100755
--- a/app/config/packages/security.yaml
+++ b/app/config/packages/security.yaml
@@ -43,6 +43,10 @@ security:
             pattern:  ^/token/refresh
             stateless: true
 
+        activate_admin:
+            pattern: ^/activate_admin/\d+$
+            security: false
+
         api:
             pattern:   ^/.+
             stateless: true
diff --git a/app/config/routes.yaml b/app/config/routes.yaml
index 063a943..8174791 100755
--- a/app/config/routes.yaml
+++ b/app/config/routes.yaml
@@ -16,3 +16,8 @@ post_send_administrator_activation_email:
         _api_item_operation_name: 'send_activacion_email'
         _api_receive: false
 
+get_activate_administrator:
+    path: '/activate_admin/{id}'
+    methods: ['GET']
+    defaults:
+        _controller: App\Controller\Administrator\Activate
diff --git a/app/src/App/Controller/Administrator/Activate.php b/app/src/App/Controller/Administrator/Activate.php
new file mode 100644
index 0000000..5701e07
--- /dev/null
+++ b/app/src/App/Controller/Administrator/Activate.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Controller\Administrator;
+
+use Demo\Domain\Service\Administrator\SetActiveInterface;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Request;
+
+class Activate
+{
+    public function __construct(
+        private SetActiveInterface $setActive
+    ) {
+    }
+
+    public function __invoke(Request $request): Response
+    {
+        /** @var int $administratorId */
+        $administratorId = $request->get('id');
+
+        $this->setActive->execute($administratorId);
+
+        return new Response('Administrator activated', 200);
+    }
+}
diff --git a/app/src/Demo/Domain/Service/Administrator/SetActive.php b/app/src/Demo/Domain/Service/Administrator/SetActive.php
new file mode 100644
index 0000000..d2cf955
--- /dev/null
+++ b/app/src/Demo/Domain/Service/Administrator/SetActive.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Demo\Domain\Service\Administrator;
+
+use Demo\Domain\Model\Administrator\AdministratorDto;
+use Demo\Domain\Model\Administrator\AdministratorRepository;
+use Demo\Domain\Service\Administrator\SetActiveInterface;
+use Ivoz\Core\Domain\Service\EntityTools;
+
+class SetActive implements SetActiveInterface
+{
+    public function __construct(
+        private AdministratorRepository $administratorRepository,
+        private EntityTools $entityTools
+    ) {
+    }
+
+    public function execute(int $administratorId): void
+    {
+        $administrator = $this->administratorRepository->find($administratorId);
+
+        // I don’t think we should launch an exception in this case.
+        if ($administrator === null) {
+            return;
+        }
+
+        /** @var AdministratorDto $administratorDto */
+        $administratorDto = $this->entityTools->entityToDto($administrator);
+        $administratorDto->setActive(1);
+        $this->entityTools->persistDto($administratorDto);
+    }
+}
diff --git a/app/src/Demo/Domain/Service/Administrator/SetActiveInterface.php b/app/src/Demo/Domain/Service/Administrator/SetActiveInterface.php
new file mode 100644
index 0000000..005120c
--- /dev/null
+++ b/app/src/Demo/Domain/Service/Administrator/SetActiveInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Demo\Domain\Service\Administrator;
+
+interface SetActiveInterface
+{
+    public function execute(int $administratorId): void;
+}