diff --git a/services/api.py b/services/api.py
index f45a26f4..6535fe92 100644
--- a/services/api.py
+++ b/services/api.py
@@ -991,6 +991,7 @@ def render(self, data, media_type=None, renderer_context=None):
         LEVEL_PARAMETER,
         UNIT_GEOMETRY_PARAMETER,
         UNIT_GEOMETRY_3D_PARAMETER,
+        BBOX_PARAMETER,
     ]
 )
 class UnitViewSet(