diff --git a/api/CHANGELOG.md b/api/CHANGELOG.md
index 1cf6c89432..af3a771728 100644
--- a/api/CHANGELOG.md
+++ b/api/CHANGELOG.md
@@ -17,8 +17,10 @@ All notable changes to the **Prowler API** are documented in this file.
 - Search filter for findings and resources [(#8112)](https://github.com/prowler-cloud/prowler/pull/8112)
 - RBAC is now applied to `GET /overviews/providers` [(#8277)](https://github.com/prowler-cloud/prowler/pull/8277)
 
-### Security
+### Changed
+- `POST /schedules/daily` returns a `409 CONFLICT` if already created [(#8258)](https://github.com/prowler-cloud/prowler/pull/8258)
 
+### Security
 - Enhanced password validation to enforce 12+ character passwords with special characters, uppercase, lowercase, and numbers [(#8225)](https://github.com/prowler-cloud/prowler/pull/8225)
 
 ---
diff --git a/api/src/backend/api/exceptions.py b/api/src/backend/api/exceptions.py
index a6034de806..b622118674 100644
--- a/api/src/backend/api/exceptions.py
+++ b/api/src/backend/api/exceptions.py
@@ -78,3 +78,21 @@ def custom_exception_handler(exc, context):
                 message_item["message"] for message_item in exc.detail["messages"]
             ]
     return exception_handler(exc, context)
+
+
+class ConflictException(APIException):
+    status_code = status.HTTP_409_CONFLICT
+    default_detail = "A conflict occurred. The resource already exists."
+    default_code = "conflict"
+
+    def __init__(self, detail=None, code=None, pointer=None):
+        error_detail = {
+            "detail": detail or self.default_detail,
+            "status": self.status_code,
+            "code": self.default_code,
+        }
+
+        if pointer:
+            error_detail["source"] = {"pointer": pointer}
+
+        super().__init__(detail=[error_detail])
diff --git a/api/src/backend/api/tests/test_views.py b/api/src/backend/api/tests/test_views.py
index fb0635a8dc..265cf54fc7 100644
--- a/api/src/backend/api/tests/test_views.py
+++ b/api/src/backend/api/tests/test_views.py
@@ -5494,6 +5494,30 @@ class TestScheduleViewSet:
         )
         assert response.status_code == status.HTTP_404_NOT_FOUND
 
+    @patch("api.v1.views.Task.objects.get")
+    def test_schedule_daily_already_scheduled(
+        self,
+        mock_task_get,
+        authenticated_client,
+        providers_fixture,
+        tasks_fixture,
+    ):
+        provider, *_ = providers_fixture
+        prowler_task = tasks_fixture[0]
+        mock_task_get.return_value = prowler_task
+        json_payload = {
+            "provider_id": str(provider.id),
+        }
+        response = authenticated_client.post(
+            reverse("schedule-daily"), data=json_payload, format="json"
+        )
+        assert response.status_code == status.HTTP_202_ACCEPTED
+
+        response = authenticated_client.post(
+            reverse("schedule-daily"), data=json_payload, format="json"
+        )
+        assert response.status_code == status.HTTP_409_CONFLICT
+
 
 @pytest.mark.django_db
 class TestIntegrationViewSet:
diff --git a/api/src/backend/tasks/beat.py b/api/src/backend/tasks/beat.py
index 6cd8d7a9ce..a7795e6909 100644
--- a/api/src/backend/tasks/beat.py
+++ b/api/src/backend/tasks/beat.py
@@ -2,10 +2,10 @@ import json
 from datetime import datetime, timedelta, timezone
 
 from django_celery_beat.models import IntervalSchedule, PeriodicTask
-from rest_framework_json_api.serializers import ValidationError
 from tasks.tasks import perform_scheduled_scan_task
 
 from api.db_utils import rls_transaction
+from api.exceptions import ConflictException
 from api.models import Provider, Scan, StateChoices
 
 
@@ -24,15 +24,9 @@ def schedule_provider_scan(provider_instance: Provider):
     if PeriodicTask.objects.filter(
         interval=schedule, name=task_name, task="scan-perform-scheduled"
     ).exists():
-        raise ValidationError(
-            [
-                {
-                    "detail": "There is already a scheduled scan for this provider.",
-                    "status": 400,
-                    "source": {"pointer": "/data/attributes/provider_id"},
-                    "code": "invalid",
-                }
-            ]
+        raise ConflictException(
+            detail="There is already a scheduled scan for this provider.",
+            pointer="/data/attributes/provider_id",
         )
 
     with rls_transaction(tenant_id):
diff --git a/api/src/backend/tasks/tests/test_beat.py b/api/src/backend/tasks/tests/test_beat.py
index 01ce0249e6..7a1656553f 100644
--- a/api/src/backend/tasks/tests/test_beat.py
+++ b/api/src/backend/tasks/tests/test_beat.py
@@ -3,9 +3,9 @@ from unittest.mock import patch
 
 import pytest
 from django_celery_beat.models import IntervalSchedule, PeriodicTask
-from rest_framework_json_api.serializers import ValidationError
 from tasks.beat import schedule_provider_scan
 
+from api.exceptions import ConflictException
 from api.models import Scan
 
 
@@ -48,8 +48,8 @@ class TestScheduleProviderScan:
         with patch("tasks.tasks.perform_scheduled_scan_task.apply_async"):
             schedule_provider_scan(provider_instance)
 
-        # Now, try scheduling again, should raise ValidationError
-        with pytest.raises(ValidationError) as exc_info:
+        # Now, try scheduling again, should raise ConflictException
+        with pytest.raises(ConflictException) as exc_info:
             schedule_provider_scan(provider_instance)
 
         assert "There is already a scheduled scan for this provider." in str(