diff --git a/CHANGELOG.md b/CHANGELOG.md
index cae8333..b5dca17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,3 +7,4 @@
 0.2.0 - Couche JSON-RPC WS Solana
 0.3.0 - Registre subscriptions / notifications
 0.3.1 - Ajout de subscribe/unsubscribe hlpers à WsClient
+0.3.2 - Ajout de notifications typés
diff --git a/Cargo.toml b/Cargo.toml
index 57980b2..9003083 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.3.1"
+version = "0.3.2"
 edition = "2024"
 license = "MIT"
 repository = "https://git.sasedev.com/Sasedev/khadhroony-bobobot"
diff --git a/kb_lib/src/lib.rs b/kb_lib/src/lib.rs
index ef5a69b..acb01da 100644
--- a/kb_lib/src/lib.rs
+++ b/kb_lib/src/lib.rs
@@ -16,6 +16,7 @@ mod rpc_ws;
 mod tracing;
 mod types;
 mod ws_client;
+mod rpc_ws_solana;
 
 pub use crate::config::KbAppConfig;
 pub use crate::config::KbConfig;
@@ -44,3 +45,7 @@ pub use crate::ws_client::WsClient;
 pub use crate::ws_client::WsEvent;
 pub use crate::ws_client::WsOutgoingMessage;
 pub use crate::ws_client::WsSubscriptionInfo;
+pub use crate::rpc_ws_solana::KbSolanaWsTypedNotification;
+pub use crate::rpc_ws_solana::parse_kb_solana_ws_typed_notification;
+pub use crate::rpc_ws_solana::parse_kb_solana_ws_typed_notification_from_event;
+
diff --git a/kb_lib/src/rpc_ws_solana.rs b/kb_lib/src/rpc_ws_solana.rs
new file mode 100644
index 0000000..b927813
--- /dev/null
+++ b/kb_lib/src/rpc_ws_solana.rs
@@ -0,0 +1,422 @@
+// file: kb_lib/src/rpc_ws_solana.rs
+
+//! Typed Solana WebSocket PubSub helpers built on top of the generic JSON-RPC
+//! transport.
+//!
+//! This module keeps the low-level transport and registry logic in
+//! [`crate::WsClient`] unchanged while adding:
+//! - typed `*_typed()` subscribe helpers using `solana_rpc_client_api::config`
+//! - typed notification decoding using `solana_rpc_client_api::response`
+
+/// Typed Solana PubSub notification payload.
+#[derive(Clone, Debug)]
+pub enum KbSolanaWsTypedNotification {
+    /// `accountNotification`
+    Account(solana_rpc_client_api::response::Response<solana_rpc_client_api::response::UiAccount>),
+    /// `blockNotification`
+    Block(solana_rpc_client_api::response::RpcBlockUpdate),
+    /// `logsNotification`
+    Logs(
+        solana_rpc_client_api::response::Response<solana_rpc_client_api::response::RpcLogsResponse>,
+    ),
+    /// `programNotification`
+    Program(
+        solana_rpc_client_api::response::Response<solana_rpc_client_api::response::RpcKeyedAccount>,
+    ),
+    /// `rootNotification`
+    Root(u64),
+    /// `signatureNotification`
+    Signature(
+        solana_rpc_client_api::response::Response<
+            solana_rpc_client_api::response::RpcSignatureResult,
+        >,
+    ),
+    /// `slotNotification`
+    Slot(solana_rpc_client_api::response::SlotInfo),
+    /// `slotsUpdatesNotification`
+    SlotsUpdates(solana_rpc_client_api::response::SlotUpdate),
+    /// `voteNotification`
+    Vote(solana_rpc_client_api::response::RpcVote),
+}
+
+/// Parses a Solana JSON-RPC notification into an official typed payload.
+pub fn parse_kb_solana_ws_typed_notification(
+    notification: &crate::KbJsonRpcWsNotification,
+) -> Result<KbSolanaWsTypedNotification, crate::KbError> {
+    if notification.method == "accountNotification" {
+        let parse_result = serde_json::from_value::<
+            solana_rpc_client_api::response::Response<solana_rpc_client_api::response::UiAccount>,
+        >(notification.params.result.clone());
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Account(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse accountNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "blockNotification" {
+        let parse_result = serde_json::from_value::<solana_rpc_client_api::response::RpcBlockUpdate>(
+            notification.params.result.clone(),
+        );
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Block(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse blockNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "logsNotification" {
+        let parse_result = serde_json::from_value::<
+            solana_rpc_client_api::response::Response<
+                solana_rpc_client_api::response::RpcLogsResponse,
+            >,
+        >(notification.params.result.clone());
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Logs(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse logsNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "programNotification" {
+        let parse_result = serde_json::from_value::<
+            solana_rpc_client_api::response::Response<
+                solana_rpc_client_api::response::RpcKeyedAccount,
+            >,
+        >(notification.params.result.clone());
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Program(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse programNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "rootNotification" {
+        let root_option = notification.params.result.as_u64();
+        return match root_option {
+            Some(root) => Ok(KbSolanaWsTypedNotification::Root(root)),
+            None => Err(crate::KbError::Json(
+                "cannot parse rootNotification payload: result is not a u64".to_string(),
+            )),
+        };
+    }
+    if notification.method == "signatureNotification" {
+        let parse_result = serde_json::from_value::<
+            solana_rpc_client_api::response::Response<
+                solana_rpc_client_api::response::RpcSignatureResult,
+            >,
+        >(notification.params.result.clone());
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Signature(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse signatureNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "slotNotification" {
+        let parse_result = serde_json::from_value::<solana_rpc_client_api::response::SlotInfo>(
+            notification.params.result.clone(),
+        );
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Slot(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse slotNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "slotsUpdatesNotification" {
+        let parse_result = serde_json::from_value::<solana_rpc_client_api::response::SlotUpdate>(
+            notification.params.result.clone(),
+        );
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::SlotsUpdates(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse slotsUpdatesNotification payload: {error}"
+            ))),
+        };
+    }
+    if notification.method == "voteNotification" {
+        let parse_result = serde_json::from_value::<solana_rpc_client_api::response::RpcVote>(
+            notification.params.result.clone(),
+        );
+        return match parse_result {
+            Ok(value) => Ok(KbSolanaWsTypedNotification::Vote(value)),
+            Err(error) => Err(crate::KbError::Json(format!(
+                "cannot parse voteNotification payload: {error}"
+            ))),
+        };
+    }
+    Err(crate::KbError::Json(format!(
+        "unsupported Solana websocket notification method '{}'",
+        notification.method
+    )))
+}
+
+/// Parses a typed Solana PubSub notification from a generic websocket event.
+///
+/// This returns:
+/// - `Ok(Some(...))` for JSON-RPC notification-bearing events
+/// - `Ok(None)` for events that do not carry a notification
+/// - `Err(...)` when a notification is present but cannot be decoded
+pub fn parse_kb_solana_ws_typed_notification_from_event(
+    event: &crate::WsEvent,
+) -> Result<std::option::Option<KbSolanaWsTypedNotification>, crate::KbError> {
+    match event {
+        crate::WsEvent::SubscriptionNotification { notification, .. } => {
+            let parse_result = parse_kb_solana_ws_typed_notification(notification);
+            match parse_result {
+                Ok(value) => Ok(Some(value)),
+                Err(error) => Err(error),
+            }
+        }
+        crate::WsEvent::JsonRpcNotificationWithoutSubscription { notification, .. } => {
+            let parse_result = parse_kb_solana_ws_typed_notification(notification);
+            match parse_result {
+                Ok(value) => Ok(Some(value)),
+                Err(error) => Err(error),
+            }
+        }
+        crate::WsEvent::JsonRpcMessage { message, .. } => match message {
+            crate::KbJsonRpcWsIncomingMessage::Notification(notification) => {
+                let parse_result = parse_kb_solana_ws_typed_notification(notification);
+                match parse_result {
+                    Ok(value) => Ok(Some(value)),
+                    Err(error) => Err(error),
+                }
+            }
+            crate::KbJsonRpcWsIncomingMessage::SuccessResponse(_) => Ok(None),
+            crate::KbJsonRpcWsIncomingMessage::ErrorResponse(_) => Ok(None),
+        },
+        _ => Ok(None),
+    }
+}
+
+impl crate::WsClient {
+    /// Typed helper for `accountSubscribe`.
+    pub async fn account_subscribe_typed(
+        &self,
+        pubkey: std::string::String,
+        config: std::option::Option<solana_rpc_client_api::config::RpcAccountInfoConfig>,
+    ) -> Result<u64, crate::KbError> {
+        let config_value_result =
+            kb_serialize_optional_config_value(config, "accountSubscribe config");
+        let config_value = match config_value_result {
+            Ok(config_value) => config_value,
+            Err(error) => return Err(error),
+        };
+        self.account_subscribe(pubkey, config_value).await
+    }
+
+    /// Typed helper for `blockSubscribe`.
+    pub async fn block_subscribe_typed(
+        &self,
+        filter: solana_rpc_client_api::config::RpcBlockSubscribeFilter,
+        config: std::option::Option<solana_rpc_client_api::config::RpcBlockSubscribeConfig>,
+    ) -> Result<u64, crate::KbError> {
+        let filter_value_result = kb_serialize_required_value(filter, "blockSubscribe filter");
+        let filter_value = match filter_value_result {
+            Ok(filter_value) => filter_value,
+            Err(error) => return Err(error),
+        };
+        let config_value_result =
+            kb_serialize_optional_config_value(config, "blockSubscribe config");
+        let config_value = match config_value_result {
+            Ok(config_value) => config_value,
+            Err(error) => return Err(error),
+        };
+        self.block_subscribe(filter_value, config_value).await
+    }
+
+    /// Typed helper for `logsSubscribe`.
+    pub async fn logs_subscribe_typed(
+        &self,
+        filter: solana_rpc_client_api::config::RpcTransactionLogsFilter,
+        config: std::option::Option<solana_rpc_client_api::config::RpcTransactionLogsConfig>,
+    ) -> Result<u64, crate::KbError> {
+        let filter_value_result = kb_serialize_required_value(filter, "logsSubscribe filter");
+        let filter_value = match filter_value_result {
+            Ok(filter_value) => filter_value,
+            Err(error) => return Err(error),
+        };
+        let config_value_result =
+            kb_serialize_optional_config_value(config, "logsSubscribe config");
+        let config_value = match config_value_result {
+            Ok(config_value) => config_value,
+            Err(error) => return Err(error),
+        };
+        self.logs_subscribe(filter_value, config_value).await
+    }
+
+    /// Typed helper for `programSubscribe`.
+    pub async fn program_subscribe_typed(
+        &self,
+        program_id: std::string::String,
+        config: std::option::Option<solana_rpc_client_api::config::RpcProgramAccountsConfig>,
+    ) -> Result<u64, crate::KbError> {
+        let config_value_result =
+            kb_serialize_optional_config_value(config, "programSubscribe config");
+        let config_value = match config_value_result {
+            Ok(config_value) => config_value,
+            Err(error) => return Err(error),
+        };
+        self.program_subscribe(program_id, config_value).await
+    }
+
+    /// Typed helper for `signatureSubscribe`.
+    pub async fn signature_subscribe_typed(
+        &self,
+        signature: std::string::String,
+        config: std::option::Option<solana_rpc_client_api::config::RpcSignatureSubscribeConfig>,
+    ) -> Result<u64, crate::KbError> {
+        let config_value_result =
+            kb_serialize_optional_config_value(config, "signatureSubscribe config");
+        let config_value = match config_value_result {
+            Ok(config_value) => config_value,
+            Err(error) => return Err(error),
+        };
+        self.signature_subscribe(signature, config_value).await
+    }
+}
+
+fn kb_serialize_required_value<T>(
+    value: T,
+    label: &str,
+) -> Result<serde_json::Value, crate::KbError>
+where
+    T: serde::Serialize,
+{
+    let value_result = serde_json::to_value(value);
+    match value_result {
+        Ok(value) => Ok(value),
+        Err(error) => Err(crate::KbError::Json(format!(
+            "cannot serialize {}: {error}",
+            label
+        ))),
+    }
+}
+
+fn kb_serialize_optional_config_value<T>(
+    value: std::option::Option<T>,
+    label: &str,
+) -> Result<std::option::Option<serde_json::Value>, crate::KbError>
+where
+    T: serde::Serialize,
+{
+    match value {
+        Some(value) => {
+            let value_result = serde_json::to_value(value);
+            match value_result {
+                Ok(value) => Ok(Some(value)),
+                Err(error) => Err(crate::KbError::Json(format!(
+                    "cannot serialize {}: {error}",
+                    label
+                ))),
+            }
+        }
+        None => Ok(None),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    fn make_test_ws_client() -> crate::WsClient {
+        let endpoint = crate::KbWsEndpointConfig {
+            name: "test_ws".to_string(),
+            enabled: true,
+            provider: "test".to_string(),
+            url: "ws://127.0.0.1:65535".to_string(),
+            api_key_env_var: None,
+            roles: vec!["test".to_string()],
+            max_subscriptions: 8,
+            connect_timeout_ms: 1000,
+            request_timeout_ms: 1000,
+            unsubscribe_timeout_ms: 500,
+            write_channel_capacity: 8,
+            event_channel_capacity: 32,
+            auto_reconnect: false,
+        };
+        crate::WsClient::new(endpoint).expect("client creation must succeed")
+    }
+
+    #[test]
+    fn parse_root_notification_works() {
+        let notification = crate::KbJsonRpcWsNotification {
+            jsonrpc: "2.0".to_string(),
+            method: "rootNotification".to_string(),
+            params: crate::KbJsonRpcWsNotificationParams {
+                result: serde_json::Value::from(123u64),
+                subscription: 7,
+            },
+        };
+        let parsed = crate::parse_kb_solana_ws_typed_notification(&notification)
+            .expect("typed root notification parse must succeed");
+        match parsed {
+            crate::KbSolanaWsTypedNotification::Root(root) => {
+                assert_eq!(root, 123);
+            }
+            other => {
+                panic!("unexpected parsed notification: {other:?}");
+            }
+        }
+    }
+
+    #[test]
+    fn parse_slot_notification_works() {
+        let notification = crate::KbJsonRpcWsNotification {
+            jsonrpc: "2.0".to_string(),
+            method: "slotNotification".to_string(),
+            params: crate::KbJsonRpcWsNotificationParams {
+                result: serde_json::json!({
+                    "parent": 10,
+                    "root": 11,
+                    "slot": 12
+                }),
+                subscription: 8,
+            },
+        };
+
+        let parsed = crate::parse_kb_solana_ws_typed_notification(&notification)
+            .expect("typed slot notification parse must succeed");
+        match parsed {
+            crate::KbSolanaWsTypedNotification::Slot(slot_info) => {
+                assert_eq!(slot_info.parent, 10);
+                assert_eq!(slot_info.root, 11);
+                assert_eq!(slot_info.slot, 12);
+            }
+            other => {
+                panic!("unexpected parsed notification: {other:?}");
+            }
+        }
+    }
+
+    #[tokio::test]
+    async fn account_subscribe_typed_uses_same_send_path() {
+        let client = make_test_ws_client();
+        let result = client
+            .account_subscribe_typed("11111111111111111111111111111111".to_string(), None)
+            .await;
+        match result {
+            Err(crate::KbError::NotConnected(_)) => {}
+            other => {
+                panic!("unexpected result: {other:?}");
+            }
+        }
+    }
+
+    #[tokio::test]
+    async fn signature_subscribe_typed_uses_same_send_path() {
+        let client = make_test_ws_client();
+        let result = client
+            .signature_subscribe_typed(
+                "2EBVM6cB8vAAD93Ktr6Vd8p67XPbQzCJX47MpReuiCXJAtcjaxpvWpcg9Ege1Nr5Tk3a2GFrByT7WPBjdsTycY9b".to_string(),
+                None,
+            )
+            .await;
+        match result {
+            Err(crate::KbError::NotConnected(_)) => {}
+            other => {
+                panic!("unexpected result: {other:?}");
+            }
+        }
+    }
+}