extract err

modules/api/api.js

@@ -51,6 +51,9 @@ var api = function(dbot) {
                     if(callbackIndex != -1) {
                         args[callbackIndex] = function() {
                             body.data = Array.prototype.slice.call(arguments, 0);
+                            if(_.isObject(body.data) && _.has(body.data, 'err')) {
+                                body.err = body.data.err;
+                            }
                             res.json(body);
                         };
                         func.apply(null, args);