diff --git a/.env.template.yaml b/.env.template.yaml
index 1ae4b420c6..488328e6fe 100644
--- a/.env.template.yaml
+++ b/.env.template.yaml
@@ -1,3 +1,5 @@
+# yaml-language-server: $schema=https://hyperion.myecl.fr/settings-json-schema.json
+
 ###############################################
 # Authorization using OAuth or Openid connect #
 ###############################################
diff --git a/.env.test.yaml b/.env.test.yaml
index ee5a770ffc..f77a4bc40d 100644
--- a/.env.test.yaml
+++ b/.env.test.yaml
@@ -1,3 +1,5 @@
+# yaml-language-server: $schema=https://hyperion.myecl.fr/settings-json-schema.json
+
 ###########################################################################
 #   This dotenv file and its values should NEVER be used in PRODUCTION!   #
 ###########################################################################
diff --git a/app/core/core_endpoints/endpoints_core.py b/app/core/core_endpoints/endpoints_core.py
index abc008f24b..443b8e9df5 100644
--- a/app/core/core_endpoints/endpoints_core.py
+++ b/app/core/core_endpoints/endpoints_core.py
@@ -311,3 +311,20 @@ async def delete_module_account_type_visibility(
         allowed_account_type=account_type,
         db=db,
     )
+
+
+@router.get(
+    "/settings-json-schema.json",
+    status_code=200,
+)
+async def get_settings_json_schema():
+    """
+    Return Settings JSON schema.
+
+    It can be used in vscode:
+    ```yml
+    # yaml-language-server: $schema=https://hyperion.myecl.fr/settings-json-schema.json
+    ```
+    """
+
+    return Settings.model_json_schema()