diff --git a/crates/router/src/connector/bankofamerica/transformers.rs b/crates/router/src/connector/bankofamerica/transformers.rs
index 71a44b5a6e67..e024eb7a5019 100644
--- a/crates/router/src/connector/bankofamerica/transformers.rs
+++ b/crates/router/src/connector/bankofamerica/transformers.rs
@@ -988,6 +988,8 @@ pub struct OrderInformation {
 pub struct BankOfAmericaCaptureRequest {
     order_information: OrderInformation,
     client_reference_information: ClientReferenceInformation,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    merchant_defined_information: Option<Vec<MerchantDefinedInformation>>,
 }
 
 impl TryFrom<&BankOfAmericaRouterData<&types::PaymentsCaptureRouterData>>
@@ -997,6 +999,10 @@ impl TryFrom<&BankOfAmericaRouterData<&types::PaymentsCaptureRouterData>>
     fn try_from(
         value: &BankOfAmericaRouterData<&types::PaymentsCaptureRouterData>,
     ) -> Result<Self, Self::Error> {
+        let merchant_defined_information =
+            value.router_data.request.metadata.clone().map(|metadata| {
+                Vec::<MerchantDefinedInformation>::foreign_from(metadata.peek().to_owned())
+            });
         Ok(Self {
             order_information: OrderInformation {
                 amount_details: Amount {
@@ -1007,6 +1013,7 @@ impl TryFrom<&BankOfAmericaRouterData<&types::PaymentsCaptureRouterData>>
             client_reference_information: ClientReferenceInformation {
                 code: Some(value.router_data.connector_request_reference_id.clone()),
             },
+            merchant_defined_information,
         })
     }
 }
@@ -1016,6 +1023,9 @@ impl TryFrom<&BankOfAmericaRouterData<&types::PaymentsCaptureRouterData>>
 pub struct BankOfAmericaVoidRequest {
     client_reference_information: ClientReferenceInformation,
     reversal_information: ReversalInformation,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    merchant_defined_information: Option<Vec<MerchantDefinedInformation>>,
+    // The connector documentation does not mention the merchantDefinedInformation field for Void requests. But this has been still added because it works!
 }
 
 #[derive(Debug, Serialize)]
@@ -1032,6 +1042,10 @@ impl TryFrom<&BankOfAmericaRouterData<&types::PaymentsCancelRouterData>>
     fn try_from(
         value: &BankOfAmericaRouterData<&types::PaymentsCancelRouterData>,
     ) -> Result<Self, Self::Error> {
+        let merchant_defined_information =
+            value.router_data.request.metadata.clone().map(|metadata| {
+                Vec::<MerchantDefinedInformation>::foreign_from(metadata.peek().to_owned())
+            });
         Ok(Self {
             client_reference_information: ClientReferenceInformation {
                 code: Some(value.router_data.connector_request_reference_id.clone()),
@@ -1054,6 +1068,7 @@ impl TryFrom<&BankOfAmericaRouterData<&types::PaymentsCancelRouterData>>
                         field_name: "Cancellation Reason",
                     })?,
             },
+            merchant_defined_information,
         })
     }
 }
diff --git a/crates/router/src/connector/cybersource/transformers.rs b/crates/router/src/connector/cybersource/transformers.rs
index e46833d2ecde..bc69fb78129f 100644
--- a/crates/router/src/connector/cybersource/transformers.rs
+++ b/crates/router/src/connector/cybersource/transformers.rs
@@ -837,6 +837,9 @@ impl TryFrom<&CybersourceRouterData<&types::PaymentsAuthorizeRouterData>>
 pub struct CybersourcePaymentsCaptureRequest {
     processing_information: ProcessingInformation,
     order_information: OrderInformationWithBill,
+    client_reference_information: ClientReferenceInformation,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    merchant_defined_information: Option<Vec<MerchantDefinedInformation>>,
 }
 
 #[derive(Debug, Serialize)]
@@ -853,6 +856,10 @@ impl TryFrom<&CybersourceRouterData<&types::PaymentsCaptureRouterData>>
     fn try_from(
         item: &CybersourceRouterData<&types::PaymentsCaptureRouterData>,
     ) -> Result<Self, Self::Error> {
+        let merchant_defined_information =
+            item.router_data.request.metadata.clone().map(|metadata| {
+                Vec::<MerchantDefinedInformation>::foreign_from(metadata.peek().to_owned())
+            });
         Ok(Self {
             processing_information: ProcessingInformation {
                 capture_options: Some(CaptureOptions {
@@ -873,6 +880,10 @@ impl TryFrom<&CybersourceRouterData<&types::PaymentsCaptureRouterData>>
                 },
                 bill_to: None,
             },
+            client_reference_information: ClientReferenceInformation {
+                code: Some(item.router_data.connector_request_reference_id.clone()),
+            },
+            merchant_defined_information,
         })
     }
 }
@@ -918,6 +929,9 @@ impl TryFrom<&CybersourceRouterData<&types::PaymentsIncrementalAuthorizationRout
 pub struct CybersourceVoidRequest {
     client_reference_information: ClientReferenceInformation,
     reversal_information: ReversalInformation,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    merchant_defined_information: Option<Vec<MerchantDefinedInformation>>,
+    // The connector documentation does not mention the merchantDefinedInformation field for Void requests. But this has been still added because it works!
 }
 
 #[derive(Debug, Serialize)]
@@ -932,6 +946,10 @@ impl TryFrom<&CybersourceRouterData<&types::PaymentsCancelRouterData>> for Cyber
     fn try_from(
         value: &CybersourceRouterData<&types::PaymentsCancelRouterData>,
     ) -> Result<Self, Self::Error> {
+        let merchant_defined_information =
+            value.router_data.request.metadata.clone().map(|metadata| {
+                Vec::<MerchantDefinedInformation>::foreign_from(metadata.peek().to_owned())
+            });
         Ok(Self {
             client_reference_information: ClientReferenceInformation {
                 code: Some(value.router_data.connector_request_reference_id.clone()),
@@ -954,6 +972,7 @@ impl TryFrom<&CybersourceRouterData<&types::PaymentsCancelRouterData>> for Cyber
                         field_name: "Cancellation Reason",
                     })?,
             },
+            merchant_defined_information,
         })
     }
 }
@@ -1591,6 +1610,7 @@ impl<F>
 #[serde(rename_all = "camelCase")]
 pub struct CybersourceRefundRequest {
     order_information: OrderInformation,
+    client_reference_information: ClientReferenceInformation,
 }
 
 impl<F> TryFrom<&CybersourceRouterData<&types::RefundsRouterData<F>>> for CybersourceRefundRequest {
@@ -1605,6 +1625,9 @@ impl<F> TryFrom<&CybersourceRouterData<&types::RefundsRouterData<F>>> for Cybers
                     currency: item.router_data.request.currency,
                 },
             },
+            client_reference_information: ClientReferenceInformation {
+                code: Some(item.router_data.request.refund_id.clone()),
+            },
         })
     }
 }
diff --git a/crates/router/src/core/payments/transformers.rs b/crates/router/src/core/payments/transformers.rs
index 7b7d64a5f81a..09bb203d939a 100644
--- a/crates/router/src/core/payments/transformers.rs
+++ b/crates/router/src/core/payments/transformers.rs
@@ -1223,6 +1223,7 @@ impl<F: Clone> TryFrom<PaymentAdditionalData<'_, F>> for types::PaymentsCaptureD
                 None => None,
             },
             browser_info,
+            metadata: payment_data.payment_intent.metadata,
         })
     }
 }
@@ -1257,6 +1258,7 @@ impl<F: Clone> TryFrom<PaymentAdditionalData<'_, F>> for types::PaymentsCancelDa
             cancellation_reason: payment_data.payment_attempt.cancellation_reason,
             connector_meta: payment_data.payment_attempt.connector_metadata,
             browser_info,
+            metadata: payment_data.payment_intent.metadata,
         })
     }
 }
diff --git a/crates/router/src/types.rs b/crates/router/src/types.rs
index 2225c2965bcf..74f5fd990d97 100644
--- a/crates/router/src/types.rs
+++ b/crates/router/src/types.rs
@@ -428,6 +428,7 @@ pub struct PaymentsCaptureData {
     pub multiple_capture_data: Option<MultipleCaptureRequestData>,
     pub connector_meta: Option<serde_json::Value>,
     pub browser_info: Option<BrowserInformation>,
+    pub metadata: Option<pii::SecretSerdeValue>,
 }
 
 #[derive(Debug, Clone, Default)]
@@ -542,6 +543,7 @@ pub struct PaymentsCancelData {
     pub cancellation_reason: Option<String>,
     pub connector_meta: Option<serde_json::Value>,
     pub browser_info: Option<BrowserInformation>,
+    pub metadata: Option<pii::SecretSerdeValue>,
 }
 
 #[derive(Debug, Default, Clone)]