diff --git a/src/adapter.c b/src/adapter.c
index 37f51d7..8f0a920 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -226,6 +226,14 @@ bool btd_adapter_is_default(struct btd_adapter *adapter)
 	return false;
 }
 
+uint16_t btd_adapter_get_index(struct btd_adapter *adapter)
+{
+	if (!adapter)
+		return MGMT_INDEX_NONE;
+
+	return adapter->dev_id;
+}
+
 static gboolean process_auth_queue(gpointer user_data);
 
 static void dev_class_changed_callback(uint16_t index, uint16_t length,
diff --git a/src/adapter.h b/src/adapter.h
index 94625c0..b6130b5 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -39,6 +39,7 @@ struct btd_adapter;
 
 struct btd_adapter *btd_adapter_get_default(void);
 bool btd_adapter_is_default(struct btd_adapter *adapter);
+uint16_t btd_adapter_get_index(struct btd_adapter *adapter);
 
 typedef void (*adapter_cb) (struct btd_adapter *adapter, gpointer user_data);