diff --git a/api-reference/v2/openapi_spec_v2.json b/api-reference/v2/openapi_spec_v2.json
index 390be5f86f..02dbdddf4a 100644
--- a/api-reference/v2/openapi_spec_v2.json
+++ b/api-reference/v2/openapi_spec_v2.json
@@ -22770,7 +22770,8 @@
         "type": "string",
         "enum": [
           "true",
-          "false"
+          "false",
+          "default"
         ]
       },
       "RequestPaymentMethodTypes": {
diff --git a/crates/common_enums/src/enums.rs b/crates/common_enums/src/enums.rs
index ec8d55ed00..3b61b810ba 100644
--- a/crates/common_enums/src/enums.rs
+++ b/crates/common_enums/src/enums.rs
@@ -2850,6 +2850,7 @@ pub enum RequestIncrementalAuthorization {
     True,
     #[default]
     False,
+    Default,
 }
 
 #[derive(Clone, Copy, Eq, Hash, PartialEq, Debug, Serialize, Deserialize, strum::Display, ToSchema,)]