diff --git a/nodes/explorer/src/api-backend/mod.rs b/nodes/explorer/src/api-backend/mod.rs
new file mode 100644
index 00000000..ab37f04b
--- /dev/null
+++ b/nodes/explorer/src/api-backend/mod.rs
@@ -0,0 +1,11 @@
+#[derive(Clone)]
+pub struct AxumBackendSettings {
+    pub addr: SocketAddr,
+    pub handle: OverwatchHandle,
+}
+
+pub struct AxumBackend<T, S, const SIZE: usize> {
+    settings: AxumBackendSettings,
+    _tx: core::marker::PhantomData<T>,
+    _storage_serde: core::marker::PhantomData<S>,
+}