diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs
index 6b1c71f803..f931070e4b 100644
--- a/crates/api_models/src/payments.rs
+++ b/crates/api_models/src/payments.rs
@@ -2317,7 +2317,10 @@ pub struct GpayTransactionInfo {
 
 #[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, serde::Deserialize, ToSchema)]
 pub struct GpayMerchantInfo {
-    /// The name of the merchant
+    /// The merchant Identifier that needs to be passed while invoking Gpay SDK
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub merchant_id: Option<String>,
+    /// The name of the merchant that needs to be displayed on Gpay PopUp
     pub merchant_name: String,
 }
 
diff --git a/crates/router/src/connector/trustpay/transformers.rs b/crates/router/src/connector/trustpay/transformers.rs
index f4f1764736..c03f049658 100644
--- a/crates/router/src/connector/trustpay/transformers.rs
+++ b/crates/router/src/connector/trustpay/transformers.rs
@@ -1142,6 +1142,7 @@ impl From<GooglePayTransactionInfo> for api_models::payments::GpayTransactionInf
 impl From<GooglePayMerchantInfo> for api_models::payments::GpayMerchantInfo {
     fn from(value: GooglePayMerchantInfo) -> Self {
         Self {
+            merchant_id: None,
             merchant_name: value.merchant_name,
         }
     }
diff --git a/openapi/openapi_spec.json b/openapi/openapi_spec.json
index 61faf9deeb..51e6494d8e 100644
--- a/openapi/openapi_spec.json
+++ b/openapi/openapi_spec.json
@@ -5537,9 +5537,14 @@
           "merchant_name"
         ],
         "properties": {
+          "merchant_id": {
+            "type": "string",
+            "description": "The merchant Identifier that needs to be passed while invoking Gpay SDK",
+            "nullable": true
+          },
           "merchant_name": {
             "type": "string",
-            "description": "The name of the merchant"
+            "description": "The name of the merchant that needs to be displayed on Gpay PopUp"
           }
         }
       },