diff --git a/Api/DriverInterface.php b/Api/DriverInterface.php
new file mode 100644
index 0000000..f7598b5
--- /dev/null
+++ b/Api/DriverInterface.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace JustBetter\XhprofProfiler\Api;
+
+interface DriverInterface
+{
+    /**
+     * @return void
+     */
+    public function start();
+
+    /**
+     * End profiling sessions and output data
+     * @return void
+     */
+    public function end(array $tags);
+}