diff --git a/crates/bitwarden-api-api/src/models/cipher_details_response_model.rs b/crates/bitwarden-api-api/src/models/cipher_details_response_model.rs
index e71a0529d..eb6d46883 100644
--- a/crates/bitwarden-api-api/src/models/cipher_details_response_model.rs
+++ b/crates/bitwarden-api-api/src/models/cipher_details_response_model.rs
@@ -23,7 +23,7 @@ pub struct CipherDetailsResponseModel {
     #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
     pub r#type: Option<models::CipherType>,
     #[serde(rename = "data", skip_serializing_if = "Option::is_none")]
-    pub data: Option<serde_json::Value>,
+    pub data: Option<String>,
     #[serde(rename = "name", skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
     #[serde(rename = "notes", skip_serializing_if = "Option::is_none")]
diff --git a/crates/bitwarden-api-api/src/models/cipher_mini_details_response_model.rs b/crates/bitwarden-api-api/src/models/cipher_mini_details_response_model.rs
index 86a1d62d9..92e95b8be 100644
--- a/crates/bitwarden-api-api/src/models/cipher_mini_details_response_model.rs
+++ b/crates/bitwarden-api-api/src/models/cipher_mini_details_response_model.rs
@@ -23,7 +23,7 @@ pub struct CipherMiniDetailsResponseModel {
     #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
     pub r#type: Option<models::CipherType>,
     #[serde(rename = "data", skip_serializing_if = "Option::is_none")]
-    pub data: Option<serde_json::Value>,
+    pub data: Option<String>,
     #[serde(rename = "name", skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
     #[serde(rename = "notes", skip_serializing_if = "Option::is_none")]
diff --git a/crates/bitwarden-api-api/src/models/cipher_mini_response_model.rs b/crates/bitwarden-api-api/src/models/cipher_mini_response_model.rs
index 9e660a791..5ca88d534 100644
--- a/crates/bitwarden-api-api/src/models/cipher_mini_response_model.rs
+++ b/crates/bitwarden-api-api/src/models/cipher_mini_response_model.rs
@@ -23,7 +23,7 @@ pub struct CipherMiniResponseModel {
     #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
     pub r#type: Option<models::CipherType>,
     #[serde(rename = "data", skip_serializing_if = "Option::is_none")]
-    pub data: Option<serde_json::Value>,
+    pub data: Option<String>,
     #[serde(rename = "name", skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
     #[serde(rename = "notes", skip_serializing_if = "Option::is_none")]
diff --git a/crates/bitwarden-api-api/src/models/cipher_request_model.rs b/crates/bitwarden-api-api/src/models/cipher_request_model.rs
index d639a320b..a6df2c9c4 100644
--- a/crates/bitwarden-api-api/src/models/cipher_request_model.rs
+++ b/crates/bitwarden-api-api/src/models/cipher_request_model.rs
@@ -51,6 +51,9 @@ pub struct CipherRequestModel {
     pub secure_note: Option<Box<models::CipherSecureNoteModel>>,
     #[serde(rename = "sshKey", skip_serializing_if = "Option::is_none")]
     pub ssh_key: Option<Box<models::CipherSshKeyModel>>,
+    /// JSON string containing cipher-specific data
+    #[serde(rename = "data", skip_serializing_if = "Option::is_none")]
+    pub data: Option<String>,
     #[serde(
         rename = "lastKnownRevisionDate",
         skip_serializing_if = "Option::is_none"
@@ -81,6 +84,7 @@ impl CipherRequestModel {
             identity: None,
             secure_note: None,
             ssh_key: None,
+            data: None,
             last_known_revision_date: None,
             archived_date: None,
         }
diff --git a/crates/bitwarden-api-api/src/models/cipher_response_model.rs b/crates/bitwarden-api-api/src/models/cipher_response_model.rs
index 8a529831b..8fb2c0386 100644
--- a/crates/bitwarden-api-api/src/models/cipher_response_model.rs
+++ b/crates/bitwarden-api-api/src/models/cipher_response_model.rs
@@ -23,7 +23,7 @@ pub struct CipherResponseModel {
     #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
     pub r#type: Option<models::CipherType>,
     #[serde(rename = "data", skip_serializing_if = "Option::is_none")]
-    pub data: Option<serde_json::Value>,
+    pub data: Option<String>,
     #[serde(rename = "name", skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
     #[serde(rename = "notes", skip_serializing_if = "Option::is_none")]
diff --git a/crates/bitwarden-api-api/src/models/cipher_with_id_request_model.rs b/crates/bitwarden-api-api/src/models/cipher_with_id_request_model.rs
index 86f19c6a0..bec30a85f 100644
--- a/crates/bitwarden-api-api/src/models/cipher_with_id_request_model.rs
+++ b/crates/bitwarden-api-api/src/models/cipher_with_id_request_model.rs
@@ -51,6 +51,9 @@ pub struct CipherWithIdRequestModel {
     pub secure_note: Option<Box<models::CipherSecureNoteModel>>,
     #[serde(rename = "sshKey", skip_serializing_if = "Option::is_none")]
     pub ssh_key: Option<Box<models::CipherSshKeyModel>>,
+    /// JSON string containing cipher-specific data
+    #[serde(rename = "data", skip_serializing_if = "Option::is_none")]
+    pub data: Option<String>,
     #[serde(
         rename = "lastKnownRevisionDate",
         skip_serializing_if = "Option::is_none"
@@ -83,6 +86,7 @@ impl CipherWithIdRequestModel {
             identity: None,
             secure_note: None,
             ssh_key: None,
+            data: None,
             last_known_revision_date: None,
             archived_date: None,
             id,