diff --git a/crates/api_models/src/payment_methods.rs b/crates/api_models/src/payment_methods.rs
index 28bc95d1a77f..35ab95749c2c 100644
--- a/crates/api_models/src/payment_methods.rs
+++ b/crates/api_models/src/payment_methods.rs
@@ -717,7 +717,7 @@ pub struct CustomerPaymentMethod {
     pub bank_transfer: Option<payouts::Bank>,
 
     /// Masked bank details from PM auth services
-    #[schema(value_type = Option<MaskedBankDetails>)]
+    #[schema(example = json!({"mask": "0000"}))]
     pub bank: Option<MaskedBankDetails>,
 
     /// Whether this payment method requires CVV to be collected
@@ -725,7 +725,7 @@ pub struct CustomerPaymentMethod {
     pub requires_cvv: bool,
 }
 
-#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, ToSchema)]
 pub struct MaskedBankDetails {
     pub mask: String,
 }
diff --git a/crates/router/src/core/payments/helpers.rs b/crates/router/src/core/payments/helpers.rs
index a820a6ece22c..19aae275d892 100644
--- a/crates/router/src/core/payments/helpers.rs
+++ b/crates/router/src/core/payments/helpers.rs
@@ -1459,7 +1459,6 @@ pub async fn make_pm_data<'a, F: Clone, R, Ctx: PaymentMethodRetrieve>(
                         .to_owned()
                         .get_required_value("payment_method")?,
                 );
-
                 let token_data_string = redis_conn
                     .get_key::<Option<String>>(&key)
                     .await
diff --git a/crates/router/src/openapi.rs b/crates/router/src/openapi.rs
index 0b36c5b3a394..9e8575334483 100644
--- a/crates/router/src/openapi.rs
+++ b/crates/router/src/openapi.rs
@@ -300,6 +300,7 @@ Never share your secret api keys. Keep them guarded and secure.
         api_models::payments::PaymentAttemptResponse,
         api_models::payments::CaptureResponse,
         api_models::payment_methods::RequiredFieldInfo,
+        api_models::payment_methods::MaskedBankDetails,
         api_models::refunds::RefundListRequest,
         api_models::refunds::RefundListResponse,
         api_models::refunds::TimeRange,
diff --git a/openapi/openapi_spec.json b/openapi/openapi_spec.json
index d46f55efb0ff..5309a6c2ad13 100644
--- a/openapi/openapi_spec.json
+++ b/openapi/openapi_spec.json
@@ -4672,6 +4672,14 @@
             ],
             "nullable": true
           },
+          "bank": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/MaskedBankDetails"
+              }
+            ],
+            "nullable": true
+          },
           "requires_cvv": {
             "type": "boolean",
             "description": "Whether this payment method requires CVV to be collected",
@@ -6031,6 +6039,17 @@
           }
         ]
       },
+      "MaskedBankDetails": {
+        "type": "object",
+        "required": [
+          "mask"
+        ],
+        "properties": {
+          "mask": {
+            "type": "string"
+          }
+        }
+      },
       "MbWayRedirection": {
         "type": "object",
         "required": [