diff --git a/include/libliftoff.h b/include/libliftoff.h
index b7a224b..7052d6c 100644
--- a/include/libliftoff.h
+++ b/include/libliftoff.h
@@ -47,6 +47,11 @@ struct liftoff_plane *liftoff_plane_create(struct liftoff_device *device,
  */
 void liftoff_plane_destroy(struct liftoff_plane *plane);
 
+/**
+ * Obtain the object ID of the plane.
+ */
+uint32_t liftoff_plane_get_id(struct liftoff_plane *plane);
+
 /**
  * Build a layer to plane mapping and append the plane configuration to `req`.
  *
diff --git a/plane.c b/plane.c
index 791bb7a..243d63c 100644
--- a/plane.c
+++ b/plane.c
@@ -147,6 +147,11 @@ void liftoff_plane_destroy(struct liftoff_plane *plane)
 	free(plane);
 }
 
+uint32_t liftoff_plane_get_id(struct liftoff_plane *plane)
+{
+	return plane->id;
+}
+
 struct liftoff_plane_property *plane_get_property(struct liftoff_plane *plane,
 						  const char *name)
 {