diff --git a/api/omada.py b/api/omada.py
index f609270..288f2d7 100644
--- a/api/omada.py
+++ b/api/omada.py
@@ -20,7 +20,7 @@ class Omada:
         if not self.group_id:
             raise ValueError("OMADA_GROUP_ID is not set in the environment variables.")
 
-    def get_existing_omada_devices(self):
+    def _get_existing_omada_devices(self):
         """
         Get existing Omada devices from the database.
         :return: List of existing device names.
@@ -64,7 +64,7 @@ class Omada:
                 "portMaskList": None,
                 "domainNamePort": None,
             }
-            existing_devices = self.get_existing_omada_devices()
+            existing_devices = self._get_existing_omada_devices()
             PAYLOAD["macAddressList"] = existing_devices
             print("Payload with existing devices: ", PAYLOAD)
             for device in new_devices:
@@ -91,3 +91,22 @@ class Omada:
                 print(f"Failed to add devices: {response.text}")
         except requests.RequestException as e:
             print(f"Error adding devices to Omada: {e}")
+
+    def block_device(self, mac_address: str, operation: str = "block"):
+        """
+        Block a device in Omada.
+        :param mac_address: The MAC address of the device to block.
+        """
+        try:
+            url = f"{self.proxy_url}/9fd0cffa3475a74ae4e4d37de0d12414/api/v2/sites/{self.site_id}/cmd/clients/{mac_address}/{operation}"
+            response = requests.post(
+                url,
+                headers={"X-API-Key": str(self.api_key)},
+            )
+            if response.status_code == 200:
+                data = response.json()
+                return data
+            else:
+                print(f"Failed to block device: {response.text}")
+        except requests.RequestException as e:
+            print(f"Error blocking device in Omada: {e}")
diff --git a/api/tasks.py b/api/tasks.py
index f0a940c..a082bfc 100644
--- a/api/tasks.py
+++ b/api/tasks.py
@@ -55,14 +55,6 @@ def deactivate_expired_devices():
     }
 
 
-def get_existing_omada_devices():
-    """
-    Get existing Omada devices from Omada API via Omada class.
-    :return: List of existing device names.
-    """
-    return omada_client.get_existing_omada_devices()
-
-
 @shared_task
 def add_new_devices_to_omada(new_devices: list[dict]):
     """
@@ -77,7 +69,13 @@ def verify_user_with_person_api_task(user_id: int):
     Verify the user with the Person API.
     :param user_id: The ID of the user to verify.
     """
+    if not user_id:
+        logger.error("User ID is not provided.")
+        return None
     user = get_object_or_404(User, id=user_id)
+    if not user:
+        logger.error(f"User with ID {user_id} not found.")
+        return None
     # Call the Person API to verify the user
 
     verification_failed_message = f"""
@@ -91,7 +89,7 @@ def verify_user_with_person_api_task(user_id: int):
     Visit [SAR Link Portal](https://portal.sarlink.net) to manually verify this user.
     """
 
-    logger.info(verification_failed_message)
+    # logger.info(verification_failed_message)
     PERSON_VERIFY_BASE_URL = env.str("PERSON_VERIFY_BASE_URL", default="")  # type: ignore
 
     if not PERSON_VERIFY_BASE_URL:
@@ -174,5 +172,7 @@ def verify_user_with_person_api_task(user_id: int):
             return False
     else:
         # Handle the error case
-        print(f"Error verifying user: {response.status_code} - {response.text}")
+        print(
+            f"Error verifying user with api: {response.status_code} - {response.text}"
+        )
         return
diff --git a/api/views.py b/api/views.py
index 073f178..78a2185 100644
--- a/api/views.py
+++ b/api/views.py
@@ -61,8 +61,6 @@ class ErrorMessages:
 @api_view(["GET"])
 def healthcheck(request):
     add.delay(1, 2)
-    # devices = Device.objects.filter(is_active=False).values()
-    # add_new_devices_to_omada.delay(new_devices=list(devices))
     return Response({"status": "Good"}, status=status.HTTP_200_OK)
 
 
diff --git a/devices/views.py b/devices/views.py
index 19d1cf5..b65b69f 100644
--- a/devices/views.py
+++ b/devices/views.py
@@ -11,6 +11,7 @@ from .serializers import (
     BlockDeviceSerializer,
 )
 from api.mixins import StaffEditorPermissionMixin
+from api.omada import Omada
 from .filters import DeviceFilter
 import re
 import requests
@@ -127,6 +128,10 @@ class DeviceBlockAPIView(StaffEditorPermissionMixin, generics.UpdateAPIView):
         if not isinstance(blocked, bool):
             return Response({"message": "Blocked field must be a boolean."}, status=400)
         instance.blocked = blocked
+        omada_client = Omada()
+        omada_client.block_device(
+            instance.mac, operation="block" if blocked else "unblock"
+        )
         instance.save()
         serializer = self.get_serializer(instance, data=request.data, partial=False)
         serializer.is_valid(raise_exception=True)