diff --git a/services/tunnelbroker/rust-notifications/src/fcm.rs b/services/tunnelbroker/rust-notifications/src/fcm.rs
new file mode 100644
--- /dev/null
+++ b/services/tunnelbroker/rust-notifications/src/fcm.rs
@@ -0,0 +1,24 @@
+use anyhow::{anyhow, Result};
+use fcm::{Client, MessageBuilder, NotificationBuilder};
+
+pub async fn send_by_fcm_client(
+  fcm_api_key: &str,
+  device_registration_id: &str,
+  message_title: &str,
+  message_body: &str,
+) -> Result<u64> {
+  let client = Client::new();
+  let mut notification_builder = NotificationBuilder::new();
+  notification_builder.title(message_title);
+  notification_builder.body(message_body);
+
+  let notification = notification_builder.finalize();
+  let mut message_builder =
+    MessageBuilder::new(fcm_api_key, device_registration_id);
+  message_builder.notification(notification);
+  let result = client.send(message_builder.finalize()).await?;
+  match result.message_id {
+    Some(message_id) => Ok(message_id),
+    None => Err(anyhow!("FCM client returned an empty message id")),
+  }
+}
diff --git a/services/tunnelbroker/rust-notifications/src/lib.rs b/services/tunnelbroker/rust-notifications/src/lib.rs
--- a/services/tunnelbroker/rust-notifications/src/lib.rs
+++ b/services/tunnelbroker/rust-notifications/src/lib.rs
@@ -2,6 +2,7 @@
 use lazy_static::lazy_static;
 use tokio::runtime::Runtime;
 pub mod apns;
+pub mod fcm;
 
 #[cxx::bridge]
 mod ffi {
@@ -14,6 +15,14 @@
       message: &str,
       sandbox: bool,
     ) -> Result<u16>;
+
+    #[cxx_name = "sendNotifToFCM"]
+    fn send_notif_to_fcm(
+      fcm_api_key: &str,
+      device_registration_id: &str,
+      message_title: &str,
+      message_body: &str,
+    ) -> Result<u64>;
   }
 }
 
@@ -37,3 +46,17 @@
     sandbox,
   ))
 }
+
+pub fn send_notif_to_fcm(
+  fcm_api_key: &str,
+  device_registration_id: &str,
+  message_title: &str,
+  message_body: &str,
+) -> Result<u64> {
+  RUNTIME.block_on(fcm::send_by_fcm_client(
+    fcm_api_key,
+    device_registration_id,
+    message_title,
+    message_body,
+  ))
+}