diff --git a/api-reference-v2/openapi_spec.json b/api-reference-v2/openapi_spec.json
index e1a745fd9b..63777d5283 100644
--- a/api-reference-v2/openapi_spec.json
+++ b/api-reference-v2/openapi_spec.json
@@ -14585,6 +14585,7 @@
           "id",
           "status",
           "amount",
+          "customer_id",
           "connector",
           "client_secret",
           "created",
@@ -14606,6 +14607,13 @@
           "amount": {
             "$ref": "#/components/schemas/ConfirmIntentAmountDetailsResponse"
           },
+          "customer_id": {
+            "type": "string",
+            "description": "The identifier for the customer",
+            "example": "12345_cus_01926c58bc6e77c09e809964e72af8c8",
+            "maxLength": 64,
+            "minLength": 32
+          },
           "connector": {
             "type": "string",
             "description": "The connector used for the payment",
@@ -16330,6 +16338,7 @@
           "id",
           "status",
           "amount",
+          "customer_id",
           "client_secret",
           "created"
         ],
@@ -16347,6 +16356,13 @@
           "amount": {
             "$ref": "#/components/schemas/ConfirmIntentAmountDetailsResponse"
           },
+          "customer_id": {
+            "type": "string",
+            "description": "The identifier for the customer",
+            "example": "12345_cus_01926c58bc6e77c09e809964e72af8c8",
+            "maxLength": 64,
+            "minLength": 32
+          },
           "connector": {
             "type": "string",
             "description": "The connector used for the payment",
diff --git a/crates/api_models/src/events/customer.rs b/crates/api_models/src/events/customer.rs
index 891fb0e9d3..55a55fbcec 100644
--- a/crates/api_models/src/events/customer.rs
+++ b/crates/api_models/src/events/customer.rs
@@ -1,6 +1,8 @@
 use common_utils::events::{ApiEventMetric, ApiEventsType};
 
-use crate::customers::{CustomerDeleteResponse, CustomerRequest, CustomerResponse};
+use crate::customers::{
+    CustomerDeleteResponse, CustomerRequest, CustomerResponse, CustomerUpdateRequestInternal,
+};
 
 #[cfg(all(any(feature = "v1", feature = "v2"), not(feature = "customer_v2")))]
 impl ApiEventMetric for CustomerDeleteResponse {
@@ -55,7 +57,7 @@ impl ApiEventMetric for CustomerResponse {
 }
 
 #[cfg(all(any(feature = "v1", feature = "v2"), not(feature = "customer_v2")))]
-impl ApiEventMetric for crate::customers::CustomerUpdateRequestInternal {
+impl ApiEventMetric for CustomerUpdateRequestInternal {
     fn get_api_event_type(&self) -> Option<ApiEventsType> {
         Some(ApiEventsType::Customer {
             customer_id: self.customer_id.clone(),
@@ -64,7 +66,7 @@ impl ApiEventMetric for crate::customers::CustomerUpdateRequestInternal {
 }
 
 #[cfg(all(feature = "v2", feature = "customer_v2"))]
-impl ApiEventMetric for crate::customers::CustomerUpdateRequestInternal {
+impl ApiEventMetric for CustomerUpdateRequestInternal {
     fn get_api_event_type(&self) -> Option<ApiEventsType> {
         Some(ApiEventsType::Customer {
             customer_id: Some(self.id.clone()),
diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs
index 1c2a5c5a71..0ae906f3dc 100644
--- a/crates/api_models/src/payments.rs
+++ b/crates/api_models/src/payments.rs
@@ -4803,6 +4803,15 @@ pub struct PaymentsConfirmIntentResponse {
     /// Amount related information for this payment and attempt
     pub amount: ConfirmIntentAmountDetailsResponse,
 
+    /// The identifier for the customer
+    #[schema(
+        min_length = 32,
+        max_length = 64,
+        example = "12345_cus_01926c58bc6e77c09e809964e72af8c8",
+        value_type = String
+    )]
+    pub customer_id: Option<id_type::GlobalCustomerId>,
+
     /// The connector used for the payment
     #[schema(example = "stripe")]
     pub connector: String,
@@ -4872,6 +4881,15 @@ pub struct PaymentsRetrieveResponse {
     /// Amount related information for this payment and attempt
     pub amount: ConfirmIntentAmountDetailsResponse,
 
+    /// The identifier for the customer
+    #[schema(
+        min_length = 32,
+        max_length = 64,
+        example = "12345_cus_01926c58bc6e77c09e809964e72af8c8",
+        value_type = String
+    )]
+    pub customer_id: Option<id_type::GlobalCustomerId>,
+
     /// The connector used for the payment
     #[schema(example = "stripe")]
     pub connector: Option<String>,
diff --git a/crates/router/src/core/customers.rs b/crates/router/src/core/customers.rs
index 059ac4c2f3..65bbf736f1 100644
--- a/crates/router/src/core/customers.rs
+++ b/crates/router/src/core/customers.rs
@@ -568,7 +568,7 @@ pub async fn delete_customer(
 ) -> errors::CustomerResponse<customers::CustomerDeleteResponse> {
     let db = &*state.store;
     let key_manager_state = &(&state).into();
-    id.fetch_domain_model_and_update_and_generate_delete_customer_response(
+    id.redact_customer_details_and_generate_response(
         db,
         &key_store,
         &merchant_account,
@@ -585,7 +585,7 @@ pub async fn delete_customer(
 ))]
 #[async_trait::async_trait]
 impl CustomerDeleteBridge for id_type::GlobalCustomerId {
-    async fn fetch_domain_model_and_update_and_generate_delete_customer_response<'a>(
+    async fn redact_customer_details_and_generate_response<'a>(
         &'a self,
         db: &'a dyn StorageInterface,
         key_store: &'a domain::MerchantKeyStore,
@@ -717,7 +717,7 @@ impl CustomerDeleteBridge for id_type::GlobalCustomerId {
 
 #[async_trait::async_trait]
 trait CustomerDeleteBridge {
-    async fn fetch_domain_model_and_update_and_generate_delete_customer_response<'a>(
+    async fn redact_customer_details_and_generate_response<'a>(
         &'a self,
         db: &'a dyn StorageInterface,
         key_store: &'a domain::MerchantKeyStore,
@@ -742,7 +742,7 @@ pub async fn delete_customer(
     let db = &*state.store;
     let key_manager_state = &(&state).into();
     customer_id
-        .fetch_domain_model_and_update_and_generate_delete_customer_response(
+        .redact_customer_details_and_generate_response(
             db,
             &key_store,
             &merchant_account,
@@ -759,7 +759,7 @@ pub async fn delete_customer(
 ))]
 #[async_trait::async_trait]
 impl CustomerDeleteBridge for id_type::CustomerId {
-    async fn fetch_domain_model_and_update_and_generate_delete_customer_response<'a>(
+    async fn redact_customer_details_and_generate_response<'a>(
         &'a self,
         db: &'a dyn StorageInterface,
         key_store: &'a domain::MerchantKeyStore,
diff --git a/crates/router/src/core/payments/transformers.rs b/crates/router/src/core/payments/transformers.rs
index 15f01074c9..1e39831af1 100644
--- a/crates/router/src/core/payments/transformers.rs
+++ b/crates/router/src/core/payments/transformers.rs
@@ -1238,6 +1238,7 @@ where
             id: payment_intent.id.clone(),
             status: payment_intent.status,
             amount,
+            customer_id: payment_intent.customer_id.clone(),
             connector,
             client_secret: payment_intent.client_secret.clone(),
             created: payment_intent.created_at,
@@ -1311,6 +1312,7 @@ where
             id: payment_intent.id.clone(),
             status: payment_intent.status,
             amount,
+            customer_id: payment_intent.customer_id.clone(),
             connector,
             billing: payment_address
                 .get_payment_billing()