Temporary workaround to not depend on configuration changes

lib/cartodb/api/api-router.js

@@ -202,6 +202,11 @@ module.exports = class ApiRouter {
             app.layergroupAffectedTablesCache = this.layergroupAffectedTablesCache;
         }
 
+        // TODO: remove it before releasing next major version
+        if (!Array.isArray(routes)) {
+            routes = [ routes ];
+        }
+
         routes.forEach(route => {
             const apiRouter = router({ mergeParams: true });
             const { paths, middlewares = [] } = route;