diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs
index f8e348045c..8dce41e282 100644
--- a/crates/api_models/src/payments.rs
+++ b/crates/api_models/src/payments.rs
@@ -772,21 +772,18 @@ pub struct PaymentsSessionRequest {
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayAllowedMethodsParameters {
     pub allowed_auth_methods: Vec<String>,
     pub allowed_card_networks: Vec<String>,
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayTokenParameters {
     pub gateway: String,
     pub gateway_merchant_id: String,
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayTokenizationSpecification {
     #[serde(rename = "type")]
     pub token_specification_type: String,
@@ -794,7 +791,6 @@ pub struct GpayTokenizationSpecification {
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayAllowedPaymentMethods {
     #[serde(rename = "type")]
     pub payment_method_type: String,
@@ -803,7 +799,6 @@ pub struct GpayAllowedPaymentMethods {
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayTransactionInfo {
     pub country_code: String,
     pub currency_code: String,
@@ -812,13 +807,11 @@ pub struct GpayTransactionInfo {
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayMerchantInfo {
     pub merchant_name: String,
 }
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all(serialize = "camelCase"))]
 pub struct GpayMetadata {
     pub merchant_info: GpayMerchantInfo,
     pub allowed_payment_methods: Vec<GpayAllowedPaymentMethods>,
@@ -834,9 +827,7 @@ pub struct GpaySessionTokenData {
 #[serde(rename_all = "lowercase")]
 pub enum SessionToken {
     Gpay {
-        #[serde(flatten)]
-        gpay_token: GpayMetadata,
-        #[serde(rename(serialize = "transactionInfo"))]
+        allowed_payment_methods: Vec<GpayAllowedPaymentMethods>,
         transaction_info: GpayTransactionInfo,
     },
     Klarna {
diff --git a/crates/router/src/core/payments/flows/session_flow.rs b/crates/router/src/core/payments/flows/session_flow.rs
index 598d50c641..c0cdaffefc 100644
--- a/crates/router/src/core/payments/flows/session_flow.rs
+++ b/crates/router/src/core/payments/flows/session_flow.rs
@@ -84,7 +84,7 @@ fn create_gpay_session_token(
     let response_router_data = types::PaymentsSessionRouterData {
         response: Ok(types::PaymentsResponseData::SessionResponse {
             session_token: payment_types::SessionToken::Gpay {
-                gpay_token: gpay_data.gpay,
+                allowed_payment_methods: gpay_data.gpay.allowed_payment_methods,
                 transaction_info,
             },
         }),