diff --git a/CHANGELOG.md b/CHANGELOG.md
index 479013943..b1039541b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to
 - ✨(backend) allow to leave a document #2365
 - ✨(frontend) add the presenter mode
 - 📈(backend) create a utils to capture event with posthog
+- 🔧(backend) new setting DOCUMENT_ALL_ENDPOINT_ENABLED
 
 ### Changed
 
diff --git a/docs/env.md b/docs/env.md
index 4e9e71fc5..af1a99568 100644
--- a/docs/env.md
+++ b/docs/env.md
@@ -76,6 +76,7 @@ These are the environment variables you can set for the `impress-backend` contai
 | DJANGO_SERVER_TO_SERVER_API_TOKENS              |                                                                                                                                                                            | []                                                                      |
 | DOCSPEC_API_URL                                 | URL to endpoint of DocSpec conversion API                                                                                                                                  |                                                                         |
 | DOCUMENT_IMAGE_MAX_SIZE                         | Maximum size of document in bytes                                                                                                                                          | 10485760                                                                |
+| DOCUMENT_ALL_ENDPOINT_ENABLED                   | Enable or not the endpoint /api/v1.0/documents/all/                                                                                                                        | true                                                                    |
 | FRONTEND_CSS_URL                                | To add a external css file to the app                                                                                                                                      |                                                                         |
 | FRONTEND_JS_URL                                 | To add a external js file to the app                                                                                                                                       |                                                                         |
 | FRONTEND_HOMEPAGE_FEATURE_ENABLED               | Frontend feature flag to display the homepage                                                                                                                              | false                                                                   |
diff --git a/src/backend/core/api/viewsets.py b/src/backend/core/api/viewsets.py
index d62181ae2..6ccf95865 100644
--- a/src/backend/core/api/viewsets.py
+++ b/src/backend/core/api/viewsets.py
@@ -1186,6 +1186,10 @@ class DocumentViewSet(
         Unlike the list endpoint which only returns top-level documents, this endpoint
         returns all documents including children, grandchildren, etc.
         """
+
+        if not settings.DOCUMENT_ALL_ENDPOINT_ENABLED:
+            raise Http404()
+
         user = self.request.user
 
         accessible_documents = self.get_queryset()
diff --git a/src/backend/core/tests/documents/test_api_documents_all.py b/src/backend/core/tests/documents/test_api_documents_all.py
index 051872b84..47adea090 100644
--- a/src/backend/core/tests/documents/test_api_documents_all.py
+++ b/src/backend/core/tests/documents/test_api_documents_all.py
@@ -425,3 +425,18 @@ def test_api_documents_all_comparison_with_list():
     assert len(all_results) == 3
     all_ids = {result["id"] for result in all_results}
     assert all_ids == {str(parent.id), str(child.id), str(grandchild.id)}
+
+
+def test_api_documents_all_settings_diabled(settings):
+    """
+    Test when DOCUMENT_ALL_ENDPOINT_ENABLED is set to False, /all/ endpoint should return a 404
+    """
+
+    settings.DOCUMENT_ALL_ENDPOINT_ENABLED = False
+
+    user = factories.UserFactory()
+    client = APIClient()
+    client.force_login(user)
+
+    response = client.get("/api/v1.0/documents/all/")
+    assert response.status_code == 404
diff --git a/src/backend/impress/settings.py b/src/backend/impress/settings.py
index b935ec138..991dfae06 100755
--- a/src/backend/impress/settings.py
+++ b/src/backend/impress/settings.py
@@ -273,6 +273,13 @@ class Base(Configuration):
     # Document versions
     DOCUMENT_VERSIONS_PAGE_SIZE = 50
 
+    # Document /all endpoint
+    DOCUMENT_ALL_ENDPOINT_ENABLED = values.BooleanValue(
+        default=True,
+        environ_name="DOCUMENT_ALL_ENDPOINT_ENABLED",
+        environ_prefix=None,
+    )
+
     # Internationalization
     # https://docs.djangoproject.com/en/3.1/topics/i18n/