diff --git a/apigee/vivienda-subsidio.json b/apigee/vivienda-subsidio.json
index 2a19c61..0430ba0 100644
--- a/apigee/vivienda-subsidio.json
+++ b/apigee/vivienda-subsidio.json
@@ -61,7 +61,7 @@
             "name": "cartaId",
             "in": "query",
             "description": "Id de carta.",
-            "required": true,
+            "required": false,
             "schema": {
               "type": "string"
             }
@@ -79,7 +79,7 @@
             "name": "periodo",
             "in": "query",
             "description": "Periodo.",
-            "required": true,
+            "required": false,
             "schema": {
               "type": "string"
             }