diff --git a/lib/jsonapi/request.rb b/lib/jsonapi/request.rb
index 4b866a58..7d30a8e9 100644
--- a/lib/jsonapi/request.rb
+++ b/lib/jsonapi/request.rb
@@ -34,7 +34,7 @@ def transactional?
       when 'index', 'show_related_resource', 'index_related_resources', 'show', 'show_relationship'
         false
       else
-        true
+        JSONAPI.configuration.allow_transactions
       end
     end