diff --git a/lib/configurations.js b/lib/configurations.js
index dead7e4a..4a804375 100644
--- a/lib/configurations.js
+++ b/lib/configurations.js
@@ -3,6 +3,9 @@ var Promise = require('bluebird');
 var clientId;
 var clientSecret;
 var accessToken;
+var platformId;
+var corporationId;
+var integratorId;
 var refreshToken;
 var schema = 'https';
 var host = 'api.mercadopago.com';
@@ -45,6 +48,10 @@ configurationsModule.configure = function (configurations) {
 
   // Set accessToken
   accessToken = configurations.access_token || accessToken;
+  // Set headers parameters
+  platformId = configurations.platform_id;
+  corporationId = configurations.corporation_id;
+  integratorId = configurations.integrator_id;
   // Use if to prevent false value
   this.sandbox = (configurations.sandbox !== undefined) ? configurations.sandbox : this.sandbox;
   this.show_promise_error = (configurations.show_promise_error !== undefined) ?
@@ -71,6 +78,30 @@ configurationsModule.getClientSecret = function () {
   return clientSecret;
 };
 
+/**
+ * Get platformId
+ * @returns {string}
+ */
+configurationsModule.getPlatformId = function () {
+  return platformId;
+};
+
+/**
+ * Get corporationId
+ * @returns {string}
+ */
+configurationsModule.getCorporationId = function () {
+  return corporationId;
+};
+
+/**
+ * Get integratorId
+ * @returns {string}
+ */
+configurationsModule.getIntegratorId = function () {
+  return integratorId;
+};
+
 /**
  * Set accessToken
  * @param {string} token
diff --git a/lib/models/preferencesModel.js b/lib/models/preferencesModel.js
index f88d50eb..c9d43fea 100644
--- a/lib/models/preferencesModel.js
+++ b/lib/models/preferencesModel.js
@@ -36,6 +36,35 @@ module.exports = {
         }
       }
     },
+    tracks: {
+      type: 'array',
+      items: {
+        type: 'object',
+        properties: {
+          type: {
+            type: 'string',
+            maxLength: 256
+          },
+          values: {
+            type: 'object',
+            properties: {
+              conversion_id: {
+                type: 'string',
+              },
+              conversion_label: {
+                type: 'string',
+              },
+              pixel_id: {
+                type: 'string',
+              }
+            }
+          }
+        }
+      }
+    },
+    metadata: {
+      type: 'object',
+    },
     payer: {
       type: 'object',
       properties: {
diff --git a/lib/request-manager.js b/lib/request-manager.js
index 83b844ff..19b0cc4e 100644
--- a/lib/request-manager.js
+++ b/lib/request-manager.js
@@ -33,6 +33,7 @@ requestManager.describe = function (options) {
       var missingPayloadProperties = []; // Stores the missing payload path params (if there is any). POST, PUT, PATCH
       var schema = this.schema; // Schema from resource
       var needIdempotency = !!this.idempotency; // Idempotency from resource
+      var needPartnersHeaders = !!this.partnersHeaders;
       var config = {};
       var payload = {};
       var error;
@@ -114,6 +115,9 @@ requestManager.describe = function (options) {
           idempotency: needIdempotency, // Needs the idempotency header
           // If the merchant provides an access_token, it should override the access_token configured on init
           access_token: config.access_token ? config.access_token : accessToken,
+          platformId: needPartnersHeaders || configurations.getPlatformId(),
+          corporationId: needPartnersHeaders || configurations.getCorporationId(),
+          integratorId: needPartnersHeaders || configurations.getIntegratorId(),
         });
       }).then(function (response) {
         resolve(response);
@@ -260,6 +264,18 @@ requestManager.buildRequest = function (options) {
   req.qs = (options.config && options.config.qs) ? options.config.qs : {}; // Always set the querystring object
   req.json = true; // Autoparse the response to JSON
 
+  if(options.integratorId) {
+    req.headers['x-integrator-id'] = options.integratorId;
+  }
+
+  if(options.corporationId) {
+    req.headers['x-corporation-id'] = options.corporationId;
+  }
+
+  if(options.platformId) {
+    req.headers['x-platform-id'] = options.platformId;
+  }
+
   if (options.config && options.config.headers && typeof options.config.headers === 'object') {
     headersNames = Object.keys(options.config.headers);
     for (i = 0; i < headersNames.length; i += 1) {
diff --git a/lib/resources/payment.js b/lib/resources/payment.js
index f6cfc19b..b2b2b4cb 100644
--- a/lib/resources/payment.js
+++ b/lib/resources/payment.js
@@ -7,7 +7,8 @@ var refundModule = require('./refund');
 
 var payment = module.exports = {
   schema: paymentModel,
-  idempotency: true
+  idempotency: true,
+  partnersHeaders: true
 };
 
 payment.create = requestManager.describe({
diff --git a/lib/resources/preferences.js b/lib/resources/preferences.js
index e11f373c..f8549e42 100644
--- a/lib/resources/preferences.js
+++ b/lib/resources/preferences.js
@@ -2,7 +2,8 @@ var requestManager = require('../request-manager');
 var preferencesModel = require('../models/preferencesModel');
 
 var preferences = module.exports = {
-  schema: preferencesModel
+  schema: preferencesModel,
+  partnersHeaders: true
 };
 
 preferences.create = requestManager.describe({
diff --git a/package.json b/package.json
index c1af6496..32da7a3e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mercadopago",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "description": "Mercadopago SDK for Node.js",
   "main": "index.js",
   "scripts": {