diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs
index 603c0f769347..dc76ea3d33c6 100644
--- a/crates/api_models/src/payments.rs
+++ b/crates/api_models/src/payments.rs
@@ -867,6 +867,16 @@ pub struct PaymentsRequest {
     /// Choose what kind of sca exemption is required for this payment
     #[schema(value_type = Option<ScaExemptionType>)]
     pub psd2_sca_exemption_type: Option<api_enums::ScaExemptionType>,
+
+    /// Service details for external authentication
+    pub service_details: Option<ServiceDetails>,
+}
+
+#[derive(Clone, Debug, PartialEq, serde::Serialize, serde::Deserialize, ToSchema)]
+pub struct ServiceDetails {
+    pub merchant_transaction_id: Option<String>,
+    pub correlation_id: Option<String>,
+    pub x_src_flow_id: Option<String>,
 }
 
 #[cfg(feature = "v1")]
diff --git a/crates/diesel_models/src/authentication.rs b/crates/diesel_models/src/authentication.rs
index 0310e60ebbd8..3f1020e03693 100644
--- a/crates/diesel_models/src/authentication.rs
+++ b/crates/diesel_models/src/authentication.rs
@@ -47,6 +47,7 @@ pub struct Authentication {
     pub ds_trans_id: Option<String>,
     pub directory_server_id: Option<String>,
     pub acquirer_country_code: Option<String>,
+    pub service_details: Option<serde_json::Value>,
 }
 
 impl Authentication {
@@ -94,6 +95,7 @@ pub struct AuthenticationNew {
     pub ds_trans_id: Option<String>,
     pub directory_server_id: Option<String>,
     pub acquirer_country_code: Option<String>,
+    pub service_details: Option<serde_json::Value>,
 }
 
 #[derive(Debug)]
@@ -186,6 +188,7 @@ pub struct AuthenticationUpdateInternal {
     pub ds_trans_id: Option<String>,
     pub directory_server_id: Option<String>,
     pub acquirer_country_code: Option<String>,
+    pub service_details: Option<serde_json::Value>,
 }
 
 impl Default for AuthenticationUpdateInternal {
@@ -219,6 +222,7 @@ impl Default for AuthenticationUpdateInternal {
             ds_trans_id: Default::default(),
             directory_server_id: Default::default(),
             acquirer_country_code: Default::default(),
+            service_details: Default::default(),
         }
     }
 }
@@ -254,6 +258,7 @@ impl AuthenticationUpdateInternal {
             ds_trans_id,
             directory_server_id,
             acquirer_country_code,
+            service_details,
         } = self;
         Authentication {
             connector_authentication_id: connector_authentication_id
@@ -288,6 +293,7 @@ impl AuthenticationUpdateInternal {
             ds_trans_id: ds_trans_id.or(source.ds_trans_id),
             directory_server_id: directory_server_id.or(source.directory_server_id),
             acquirer_country_code: acquirer_country_code.or(source.acquirer_country_code),
+            service_details: service_details.or(source.service_details),
             ..source
         }
     }
diff --git a/crates/diesel_models/src/schema.rs b/crates/diesel_models/src/schema.rs
index 936428bd46c5..4324266e4545 100644
--- a/crates/diesel_models/src/schema.rs
+++ b/crates/diesel_models/src/schema.rs
@@ -120,6 +120,7 @@ diesel::table! {
         directory_server_id -> Nullable<Varchar>,
         #[max_length = 64]
         acquirer_country_code -> Nullable<Varchar>,
+        service_details -> Nullable<Jsonb>,
     }
 }
 
diff --git a/crates/diesel_models/src/schema_v2.rs b/crates/diesel_models/src/schema_v2.rs
index 3686cfc55500..fccae9a6f4c9 100644
--- a/crates/diesel_models/src/schema_v2.rs
+++ b/crates/diesel_models/src/schema_v2.rs
@@ -121,6 +121,7 @@ diesel::table! {
         directory_server_id -> Nullable<Varchar>,
         #[max_length = 64]
         acquirer_country_code -> Nullable<Varchar>,
+        service_details -> Nullable<Jsonb>,
     }
 }
 
@@ -204,12 +205,6 @@ diesel::table! {
         #[max_length = 64]
         tax_connector_id -> Nullable<Varchar>,
         is_tax_connector_enabled -> Nullable<Bool>,
-        version -> ApiVersion,
-        dynamic_routing_algorithm -> Nullable<Json>,
-        is_network_tokenization_enabled -> Bool,
-        is_auto_retries_enabled -> Nullable<Bool>,
-        max_auto_retries_enabled -> Nullable<Int2>,
-        is_click_to_pay_enabled -> Bool,
         #[max_length = 64]
         routing_algorithm_id -> Nullable<Varchar>,
         order_fulfillment_time -> Nullable<Int8>,
@@ -222,6 +217,12 @@ diesel::table! {
         should_collect_cvv_during_payment -> Bool,
         #[max_length = 64]
         id -> Varchar,
+        version -> ApiVersion,
+        dynamic_routing_algorithm -> Nullable<Json>,
+        is_network_tokenization_enabled -> Bool,
+        is_auto_retries_enabled -> Nullable<Bool>,
+        max_auto_retries_enabled -> Nullable<Int2>,
+        is_click_to_pay_enabled -> Bool,
     }
 }
 
@@ -806,9 +807,6 @@ diesel::table! {
         organization_id -> Varchar,
         #[max_length = 32]
         card_network -> Nullable<Varchar>,
-        shipping_cost -> Nullable<Int8>,
-        order_tax_amount -> Nullable<Int8>,
-        connector_mandate_detail -> Nullable<Jsonb>,
         payment_method_type_v2 -> Varchar,
         #[max_length = 128]
         connector_payment_id -> Nullable<Varchar>,
@@ -825,6 +823,9 @@ diesel::table! {
         connector_payment_data -> Nullable<Varchar>,
         #[max_length = 64]
         id -> Varchar,
+        shipping_cost -> Nullable<Int8>,
+        order_tax_amount -> Nullable<Int8>,
+        connector_mandate_detail -> Nullable<Jsonb>,
     }
 }
 
@@ -877,7 +878,6 @@ diesel::table! {
         organization_id -> Varchar,
         tax_details -> Nullable<Jsonb>,
         skip_external_tax_calculation -> Nullable<Bool>,
-        psd2_sca_exemption_type -> Nullable<ScaExemptionType>,
         #[max_length = 64]
         merchant_reference_id -> Nullable<Varchar>,
         billing_address -> Nullable<Bytea>,
@@ -899,6 +899,7 @@ diesel::table! {
         payment_link_config -> Nullable<Jsonb>,
         #[max_length = 64]
         id -> Varchar,
+        psd2_sca_exemption_type -> Nullable<ScaExemptionType>,
     }
 }
 
@@ -958,12 +959,6 @@ diesel::table! {
         payment_method_billing_address -> Nullable<Bytea>,
         #[max_length = 64]
         updated_by -> Nullable<Varchar>,
-        version -> ApiVersion,
-        #[max_length = 128]
-        network_token_requestor_reference_id -> Nullable<Varchar>,
-        #[max_length = 64]
-        network_token_locker_id -> Nullable<Varchar>,
-        network_token_payment_method_data -> Nullable<Bytea>,
         #[max_length = 64]
         locker_fingerprint_id -> Nullable<Varchar>,
         #[max_length = 64]
@@ -972,6 +967,12 @@ diesel::table! {
         payment_method_subtype -> Nullable<Varchar>,
         #[max_length = 64]
         id -> Varchar,
+        version -> ApiVersion,
+        #[max_length = 128]
+        network_token_requestor_reference_id -> Nullable<Varchar>,
+        #[max_length = 64]
+        network_token_locker_id -> Nullable<Varchar>,
+        network_token_payment_method_data -> Nullable<Bytea>,
     }
 }
 
diff --git a/crates/router/src/core/authentication/utils.rs b/crates/router/src/core/authentication/utils.rs
index 01cc6a89562d..21c2ae20e2ca 100644
--- a/crates/router/src/core/authentication/utils.rs
+++ b/crates/router/src/core/authentication/utils.rs
@@ -219,6 +219,7 @@ pub async fn create_new_authentication(
         ds_trans_id: None,
         directory_server_id: None,
         acquirer_country_code: None,
+        service_details: None,
     };
     state
         .store
diff --git a/crates/router/src/core/payments.rs b/crates/router/src/core/payments.rs
index 1dd9400b8bc4..8a1829d5c3cc 100644
--- a/crates/router/src/core/payments.rs
+++ b/crates/router/src/core/payments.rs
@@ -4249,6 +4249,7 @@ where
     pub poll_config: Option<router_types::PollConfig>,
     pub tax_data: Option<TaxData>,
     pub session_id: Option<String>,
+    pub service_details: Option<api_models::payments::ServiceDetails>,
 }
 
 #[derive(Clone, serde::Serialize, Debug)]
diff --git a/crates/router/src/core/payments/operations/payment_approve.rs b/crates/router/src/core/payments/operations/payment_approve.rs
index 2bc18122b227..1311f39a61d4 100644
--- a/crates/router/src/core/payments/operations/payment_approve.rs
+++ b/crates/router/src/core/payments/operations/payment_approve.rs
@@ -194,6 +194,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsCaptureRequest>
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_cancel.rs b/crates/router/src/core/payments/operations/payment_cancel.rs
index 8d7361cd257e..d1bffb5145a0 100644
--- a/crates/router/src/core/payments/operations/payment_cancel.rs
+++ b/crates/router/src/core/payments/operations/payment_cancel.rs
@@ -203,6 +203,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsCancelRequest>
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_capture.rs b/crates/router/src/core/payments/operations/payment_capture.rs
index 2451cbcd8e9d..d554f25c6b58 100644
--- a/crates/router/src/core/payments/operations/payment_capture.rs
+++ b/crates/router/src/core/payments/operations/payment_capture.rs
@@ -254,6 +254,7 @@ impl<F: Send + Clone> GetTracker<F, payments::PaymentData<F>, api::PaymentsCaptu
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_complete_authorize.rs b/crates/router/src/core/payments/operations/payment_complete_authorize.rs
index 8c003f54adf4..6016ae8db63d 100644
--- a/crates/router/src/core/payments/operations/payment_complete_authorize.rs
+++ b/crates/router/src/core/payments/operations/payment_complete_authorize.rs
@@ -346,6 +346,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsRequest> for Co
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let customer_details = Some(CustomerDetails {
diff --git a/crates/router/src/core/payments/operations/payment_confirm.rs b/crates/router/src/core/payments/operations/payment_confirm.rs
index 4b4091b1c3a6..24186e08a343 100644
--- a/crates/router/src/core/payments/operations/payment_confirm.rs
+++ b/crates/router/src/core/payments/operations/payment_confirm.rs
@@ -810,6 +810,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsRequest> for Pa
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_create.rs b/crates/router/src/core/payments/operations/payment_create.rs
index 30891e76e86f..ea32b643ef29 100644
--- a/crates/router/src/core/payments/operations/payment_create.rs
+++ b/crates/router/src/core/payments/operations/payment_create.rs
@@ -612,6 +612,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsRequest> for Pa
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_post_session_tokens.rs b/crates/router/src/core/payments/operations/payment_post_session_tokens.rs
index 846f739e0823..94e5ad10854e 100644
--- a/crates/router/src/core/payments/operations/payment_post_session_tokens.rs
+++ b/crates/router/src/core/payments/operations/payment_post_session_tokens.rs
@@ -165,6 +165,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsPostSessionToke
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
         let get_trackers_response = operations::GetTrackerResponse {
             operation: Box::new(self),
diff --git a/crates/router/src/core/payments/operations/payment_reject.rs b/crates/router/src/core/payments/operations/payment_reject.rs
index 23531d2342dc..1c2a0c123db7 100644
--- a/crates/router/src/core/payments/operations/payment_reject.rs
+++ b/crates/router/src/core/payments/operations/payment_reject.rs
@@ -190,6 +190,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, PaymentsCancelRequest> for P
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_session.rs b/crates/router/src/core/payments/operations/payment_session.rs
index 1bc11854ad03..95b2aa3798df 100644
--- a/crates/router/src/core/payments/operations/payment_session.rs
+++ b/crates/router/src/core/payments/operations/payment_session.rs
@@ -212,6 +212,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsSessionRequest>
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_start.rs b/crates/router/src/core/payments/operations/payment_start.rs
index cad5dcfbd676..e78a201cb186 100644
--- a/crates/router/src/core/payments/operations/payment_start.rs
+++ b/crates/router/src/core/payments/operations/payment_start.rs
@@ -197,6 +197,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsStartRequest> f
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_status.rs b/crates/router/src/core/payments/operations/payment_status.rs
index a3a826ccd0e9..a60374b307a9 100644
--- a/crates/router/src/core/payments/operations/payment_status.rs
+++ b/crates/router/src/core/payments/operations/payment_status.rs
@@ -506,6 +506,7 @@ async fn get_tracker_for_sync<
         poll_config: None,
         tax_data: None,
         session_id: None,
+        service_details: None,
     };
 
     let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payment_update.rs b/crates/router/src/core/payments/operations/payment_update.rs
index 98491cab1db8..8f6f49c8e6b1 100644
--- a/crates/router/src/core/payments/operations/payment_update.rs
+++ b/crates/router/src/core/payments/operations/payment_update.rs
@@ -490,6 +490,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsRequest> for Pa
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/payments_incremental_authorization.rs b/crates/router/src/core/payments/operations/payments_incremental_authorization.rs
index 1ddaf0b6abf9..f8c1f0c6082b 100644
--- a/crates/router/src/core/payments/operations/payments_incremental_authorization.rs
+++ b/crates/router/src/core/payments/operations/payments_incremental_authorization.rs
@@ -171,6 +171,7 @@ impl<F: Send + Clone>
             poll_config: None,
             tax_data: None,
             session_id: None,
+            service_details: None,
         };
 
         let get_trackers_response = operations::GetTrackerResponse {
diff --git a/crates/router/src/core/payments/operations/tax_calculation.rs b/crates/router/src/core/payments/operations/tax_calculation.rs
index c615e2eb1744..fdde2bff96cb 100644
--- a/crates/router/src/core/payments/operations/tax_calculation.rs
+++ b/crates/router/src/core/payments/operations/tax_calculation.rs
@@ -178,6 +178,7 @@ impl<F: Send + Clone> GetTracker<F, PaymentData<F>, api::PaymentsDynamicTaxCalcu
             poll_config: None,
             tax_data: Some(tax_data),
             session_id: request.session_id.clone(),
+            service_details: None,
         };
         let get_trackers_response = operations::GetTrackerResponse {
             operation: Box::new(self),
diff --git a/crates/router/src/db/authentication.rs b/crates/router/src/db/authentication.rs
index 1307c53338de..af3da68e6ae5 100644
--- a/crates/router/src/db/authentication.rs
+++ b/crates/router/src/db/authentication.rs
@@ -150,6 +150,7 @@ impl AuthenticationInterface for MockDb {
             ds_trans_id: authentication.ds_trans_id,
             directory_server_id: authentication.directory_server_id,
             acquirer_country_code: authentication.acquirer_country_code,
+            service_details: authentication.service_details,
         };
         authentications.push(authentication.clone());
         Ok(authentication)
diff --git a/migrations/2024-12-05-115544_add-service-details/down.sql b/migrations/2024-12-05-115544_add-service-details/down.sql
new file mode 100644
index 000000000000..1c42146adfc1
--- /dev/null
+++ b/migrations/2024-12-05-115544_add-service-details/down.sql
@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+ALTER TABLE authentication DROP COLUMN IF EXISTS service_details;
\ No newline at end of file
diff --git a/migrations/2024-12-05-115544_add-service-details/up.sql b/migrations/2024-12-05-115544_add-service-details/up.sql
new file mode 100644
index 000000000000..3555647a987e
--- /dev/null
+++ b/migrations/2024-12-05-115544_add-service-details/up.sql
@@ -0,0 +1,4 @@
+-- Your SQL goes here
+ALTER TABLE authentication
+ADD COLUMN IF NOT EXISTS service_details JSONB
+DEFAULT NULL;
\ No newline at end of file