diff --git a/crates/router/src/connector/bankofamerica.rs b/crates/router/src/connector/bankofamerica.rs
index cac3bacc211d..891ae7eb228c 100644
--- a/crates/router/src/connector/bankofamerica.rs
+++ b/crates/router/src/connector/bankofamerica.rs
@@ -203,37 +203,50 @@ impl ConnectorCommon for Bankofamerica {
         } else {
             consts::NO_ERROR_MESSAGE
         };
-
-        let (code, message) = match response.error_information {
-            Some(ref error_info) => (error_info.reason.clone(), error_info.message.clone()),
-            None => (
-                response
-                    .reason
-                    .map_or(consts::NO_ERROR_CODE.to_string(), |reason| {
-                        reason.to_string()
-                    }),
-                response
-                    .message
-                    .map_or(error_message.to_string(), |message| message),
-            ),
-        };
-        let connector_reason = match response.details {
-            Some(details) => details
-                .iter()
-                .map(|det| format!("{} : {}", det.field, det.reason))
-                .collect::<Vec<_>>()
-                .join(", "),
-            None => message.clone(),
-        };
-
-        Ok(ErrorResponse {
-            status_code: res.status_code,
-            code,
-            message,
-            reason: Some(connector_reason),
-            attempt_status: None,
-            connector_transaction_id: None,
-        })
+        match response {
+            transformers::BankOfAmericaErrorResponse::StandardError(response) => {
+                let (code, message) = match response.error_information {
+                    Some(ref error_info) => (error_info.reason.clone(), error_info.message.clone()),
+                    None => (
+                        response
+                            .reason
+                            .map_or(consts::NO_ERROR_CODE.to_string(), |reason| {
+                                reason.to_string()
+                            }),
+                        response
+                            .message
+                            .map_or(error_message.to_string(), |message| message),
+                    ),
+                };
+                let connector_reason = match response.details {
+                    Some(details) => details
+                        .iter()
+                        .map(|det| format!("{} : {}", det.field, det.reason))
+                        .collect::<Vec<_>>()
+                        .join(", "),
+                    None => message.clone(),
+                };
+
+                Ok(ErrorResponse {
+                    status_code: res.status_code,
+                    code,
+                    message,
+                    reason: Some(connector_reason),
+                    attempt_status: None,
+                    connector_transaction_id: None,
+                })
+            }
+            transformers::BankOfAmericaErrorResponse::AuthenticationError(response) => {
+                Ok(ErrorResponse {
+                    status_code: res.status_code,
+                    code: consts::NO_ERROR_CODE.to_string(),
+                    message: response.response.rmsg,
+                    reason: None,
+                    attempt_status: None,
+                    connector_transaction_id: None,
+                })
+            }
+        }
     }
 }
 
diff --git a/crates/router/src/connector/bankofamerica/transformers.rs b/crates/router/src/connector/bankofamerica/transformers.rs
index 52df839c46b8..e7c0c7a579b4 100644
--- a/crates/router/src/connector/bankofamerica/transformers.rs
+++ b/crates/router/src/connector/bankofamerica/transformers.rs
@@ -1016,7 +1016,7 @@ impl TryFrom<types::RefundsResponseRouterData<api::RSync, BankOfAmericaRsyncResp
 
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct BankOfAmericaErrorResponse {
+pub struct BankOfAmericaStandardErrorResponse {
     pub error_information: Option<ErrorInformation>,
     pub status: Option<String>,
     pub message: Option<String>,
@@ -1024,6 +1024,18 @@ pub struct BankOfAmericaErrorResponse {
     pub details: Option<Vec<Details>>,
 }
 
+#[derive(Debug, Deserialize)]
+pub struct BankOfAmericaAuthenticationErrorResponse {
+    pub response: AuthenticationErrorInformation,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(untagged)]
+pub enum BankOfAmericaErrorResponse {
+    StandardError(BankOfAmericaStandardErrorResponse),
+    AuthenticationError(BankOfAmericaAuthenticationErrorResponse),
+}
+
 #[derive(Debug, Deserialize, Clone)]
 #[serde(rename_all = "camelCase")]
 pub struct Details {
@@ -1036,3 +1048,8 @@ pub struct ErrorInformation {
     pub message: String,
     pub reason: String,
 }
+
+#[derive(Debug, Default, Deserialize)]
+pub struct AuthenticationErrorInformation {
+    pub rmsg: String,
+}
diff --git a/crates/router/src/connector/cybersource.rs b/crates/router/src/connector/cybersource.rs
index 06be499fae4f..dc9c83a567f1 100644
--- a/crates/router/src/connector/cybersource.rs
+++ b/crates/router/src/connector/cybersource.rs
@@ -109,44 +109,60 @@ impl ConnectorCommon for Cybersource {
         &self,
         res: types::Response,
     ) -> CustomResult<types::ErrorResponse, errors::ConnectorError> {
-        let response: cybersource::ErrorResponse = res
+        let response: cybersource::CybersourceErrorResponse = res
             .response
             .parse_struct("Cybersource ErrorResponse")
             .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
-        let details = response.details.unwrap_or_default();
-        let connector_reason = details
-            .iter()
-            .map(|det| format!("{} : {}", det.field, det.reason))
-            .collect::<Vec<_>>()
-            .join(", ");
 
         let error_message = if res.status_code == 401 {
             consts::CONNECTOR_UNAUTHORIZED_ERROR
         } else {
             consts::NO_ERROR_MESSAGE
         };
-
-        let (code, message) = match response.error_information {
-            Some(ref error_info) => (error_info.reason.clone(), error_info.message.clone()),
-            None => (
-                response
-                    .reason
-                    .map_or(consts::NO_ERROR_CODE.to_string(), |reason| {
-                        reason.to_string()
-                    }),
-                response
-                    .message
-                    .map_or(error_message.to_string(), |message| message),
-            ),
-        };
-        Ok(types::ErrorResponse {
-            status_code: res.status_code,
-            code,
-            message,
-            reason: Some(connector_reason),
-            attempt_status: None,
-            connector_transaction_id: None,
-        })
+        match response {
+            transformers::CybersourceErrorResponse::StandardError(response) => {
+                let (code, message) = match response.error_information {
+                    Some(ref error_info) => (error_info.reason.clone(), error_info.message.clone()),
+                    None => (
+                        response
+                            .reason
+                            .map_or(consts::NO_ERROR_CODE.to_string(), |reason| {
+                                reason.to_string()
+                            }),
+                        response
+                            .message
+                            .map_or(error_message.to_string(), |message| message),
+                    ),
+                };
+                let connector_reason = match response.details {
+                    Some(details) => details
+                        .iter()
+                        .map(|det| format!("{} : {}", det.field, det.reason))
+                        .collect::<Vec<_>>()
+                        .join(", "),
+                    None => message.clone(),
+                };
+
+                Ok(types::ErrorResponse {
+                    status_code: res.status_code,
+                    code,
+                    message,
+                    reason: Some(connector_reason),
+                    attempt_status: None,
+                    connector_transaction_id: None,
+                })
+            }
+            transformers::CybersourceErrorResponse::AuthenticationError(response) => {
+                Ok(types::ErrorResponse {
+                    status_code: res.status_code,
+                    code: consts::NO_ERROR_CODE.to_string(),
+                    message: response.response.rmsg,
+                    reason: None,
+                    attempt_status: None,
+                    connector_transaction_id: None,
+                })
+            }
+        }
     }
 }
 
diff --git a/crates/router/src/connector/cybersource/transformers.rs b/crates/router/src/connector/cybersource/transformers.rs
index 6a1c237b55fd..f99c90989d0c 100644
--- a/crates/router/src/connector/cybersource/transformers.rs
+++ b/crates/router/src/connector/cybersource/transformers.rs
@@ -1286,29 +1286,6 @@ impl<F>
     }
 }
 
-#[derive(Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct ErrorResponse {
-    pub error_information: Option<ErrorInformation>,
-    pub status: Option<String>,
-    pub message: Option<String>,
-    pub reason: Option<String>,
-    pub details: Option<Vec<Details>>,
-}
-
-#[derive(Debug, Deserialize, Clone)]
-#[serde(rename_all = "camelCase")]
-pub struct Details {
-    pub field: String,
-    pub reason: String,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct ErrorInformation {
-    pub message: String,
-    pub reason: String,
-}
-
 #[derive(Debug, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct CybersourceRefundRequest {
@@ -1408,3 +1385,43 @@ impl TryFrom<types::RefundsResponseRouterData<api::RSync, CybersourceRsyncRespon
         })
     }
 }
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CybersourceStandardErrorResponse {
+    pub error_information: Option<ErrorInformation>,
+    pub status: Option<String>,
+    pub message: Option<String>,
+    pub reason: Option<String>,
+    pub details: Option<Vec<Details>>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct CybersourceAuthenticationErrorResponse {
+    pub response: AuthenticationErrorInformation,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(untagged)]
+pub enum CybersourceErrorResponse {
+    StandardError(CybersourceStandardErrorResponse),
+    AuthenticationError(CybersourceAuthenticationErrorResponse),
+}
+
+#[derive(Debug, Deserialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct Details {
+    pub field: String,
+    pub reason: String,
+}
+
+#[derive(Debug, Default, Deserialize)]
+pub struct ErrorInformation {
+    pub message: String,
+    pub reason: String,
+}
+
+#[derive(Debug, Default, Deserialize)]
+pub struct AuthenticationErrorInformation {
+    pub rmsg: String,
+}