diff --git a/lib/breinify.js b/lib/breinify.js
index 2a203fb..e71c354 100644
--- a/lib/breinify.js
+++ b/lib/breinify.js
@@ -98,46 +98,37 @@ Breinify.prototype = {
     recommendation: function () {
         overload.overload({
             'Object,Function': function (user, callback) {
-                this._recommendation(user, 3, null, null, callback);
+                this._recommendation(user, {
+                    'numRecommendations': 10,
+                    'recommendationDisableCache': true
+                }, null, callback);
             },
-            'Object,Number,Function': function (user, nrOfRecommendations, callback) {
-                this._recommendation(user, nrOfRecommendations, null, null, callback);
-            },
-            'Object,Number,String,Function': function (user, nrOfRecommendations, category, callback) {
-                this._recommendation(user, nrOfRecommendations, category, null, callback);
-            },
-            'Object,Number,Boolean,Function': function (user, nrOfRecommendations, sign, callback) {
-                this._recommendation(user, nrOfRecommendations, null, sign, callback);
-            },
-            'Object,Number,String,Boolean,Function': function (user, nrOfRecommendations, category, sign, callback) {
-                this._recommendation(user, nrOfRecommendations, category, sign, callback);
+            'Object,Object,Function': function (user, recommendation, callback) {
+                this._recommendation(user, recommendation, null, callback);
             }
         }, arguments, this);
     },
 
-    _recommendation: function (user, nrOfRecommendations, category, sign, callback) {
+    _recommendation: function (user, recommendation, sign, callback) {
 
         // need a valid user
         if (util.isEmpty(user)) {
             this._handleError(callback, 'Please send in an user');
             return;
+        } else if (util.isEmpty(recommendation)) {
+            this._handleError(callback, 'Please specify the requested recommendation attributes');
+            return;
         }
 
         var config = this.config();
         var endpoint = this.recommendationEndpoint();
         sign = this._sign(sign);
 
-        category = typeof category === 'undefined' || category === null ? '' : category;
-        nrOfRecommendations = typeof nrOfRecommendations === 'undefined' || nrOfRecommendations === null ? 3 : nrOfRecommendations;
-
         var payload = {
             'apiKey': config.apiKey,
             'unixTimestamp': Math.floor(Date.now() / 1000),
             'user': user,
-            'recommendation': {
-                'numRecommendations': nrOfRecommendations,
-                'recommendationCategory': category
-            }
+            'recommendation': recommendation
         };
         if (sign) {
             var message = '' + payload.unixTimestamp;
@@ -211,14 +202,14 @@ Breinify.prototype = {
         this.__temporalData(user, sign, callback);
     },
 
-    __temporalData: function(user, sign, callback) {
+    __temporalData: function (user, sign, callback) {
         var config = this.config();
         var endpoint = this.temporalDataEndpoint();
         sign = this._sign(sign);
 
         // let's check if it's a user or an additional object
         if (typeof user.additional === 'undefined') {
-            user = { 'additional': user };
+            user = {'additional': user};
         }
 
         var payload = {