diff --git a/Cargo.lock b/Cargo.lock
index ae76ae0..f8c1d47 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -76,6 +76,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34ac096ce696dc2fcabef30516bb13c0a68a11d30131d3df6f04711467681b04"
+
 [[package]]
 name = "async-trait"
 version = "0.1.83"
@@ -313,6 +319,7 @@ dependencies = [
 name = "dynamic-preauth"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "chrono",
  "futures-util",
  "rand",
diff --git a/Cargo.toml b/Cargo.toml
index 350599f..8831bcd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+anyhow = "1.0.95"
 chrono = { version = "0.4.39", features = ["serde"] }
 futures-util = "0.3.31"
 rand = "0.8.5"
diff --git a/src/main.rs b/src/main.rs
index 18dd718..c273900 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -85,6 +85,7 @@ async fn handle_socket(session_id: u32, websocket: WebSocket) {
     let (tx_channel, tx_channel_rx) = mpsc::unbounded_channel();
     let transmit = UnboundedReceiverStream::new(tx_channel_rx);
     let fut_handle_tx_buffer = transmit.forward(socket_tx).map(|result| {
+        tracing::debug!("WebSocket send result: {:?}", result);
         if let Err(e) = result {
             tracing::error!(error = ?e, "websocket send error");
         }
@@ -179,8 +180,6 @@ pub async fn download(req: &mut Request, res: &mut Response, depot: &mut Depot)
         tracing::error!("Error writing body: {}", e);
     }
 
-    // TODO: Send the notify message via websocket
-
     res.headers.insert(
         "Content-Disposition",
         HeaderValue::from_str(
@@ -203,7 +202,7 @@ pub async fn download(req: &mut Request, res: &mut Response, depot: &mut Depot)
 
 #[handler]
 pub async fn notify(req: &mut Request, res: &mut Response, depot: &mut Depot) {
-    let key = req.param::<String>("key");
+    let key = req.query::<String>("key");
 
     match key {
         Some(key) => {
@@ -224,8 +223,8 @@ pub async fn notify(req: &mut Request, res: &mut Response, depot: &mut Depot) {
             let message = OutgoingMessage::TokenAlert {
                 token: key.unwrap(),
             };
-
             session.send_message(message);
+
             res.render("Notification sent");
         }
         None => {
diff --git a/src/models.rs b/src/models.rs
index 4e72101..1f89c8c 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -51,21 +51,18 @@ impl Session {
         return self.downloads.last().unwrap();
     }
 
-    pub fn send_message(&mut self, message: OutgoingMessage) {
+    pub fn send_message(&mut self, message: OutgoingMessage) -> Result<(), anyhow::Error> {
         if self.tx.is_none() {
-            return;
+            return Err(anyhow::anyhow!("Session has no sender"));
         }
 
-        // TODO: Error handling, check tx exists
+        // TODO: Error handling
+        let tx = self.tx.as_ref().unwrap();
+        let result = tx.send(Ok(Message::text(serde_json::to_string(&message).unwrap())));
 
-        let result = self
-            .tx
-            .as_ref()
-            .unwrap()
-            .send(Ok(Message::text(serde_json::to_string(&message).unwrap())));
-
-        if let Err(e) = result {
-            tracing::error!("Failed to initial session state: {}", e);
+        match result {
+            Ok(_) => return Ok(()),
+            Err(e) => return Err(anyhow::anyhow!("Error sending message: {}", e)),
         }
     }