diff --git a/index.js b/index.js
index ba433c8..24c9f57 100644
--- a/index.js
+++ b/index.js
@@ -35,7 +35,7 @@ function Cross_Switch(app_id,app_key,live=false,url=null) {
 
 Cross_Switch.prototype = {
 
-  extend: function(params) {
+  extend: async function(params) {
   	// This looks more sane.
     var self = this;
     // console.log(self);
@@ -63,7 +63,7 @@ Cross_Switch.prototype = {
 
         // Pull body passed
         var body = args.length === 2 ? args[1] : args[0];
-        paramList.filter((item, index, array)=> {
+        await paramList.filter(async(item, index, array)=> {
           if(item.indexOf("*") === -1) {
             // Not required
             return;
diff --git a/package.json b/package.json
index 5dc1218..7a017d9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cross-switch-gh",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "Cross-Switch Ghana API wrapper",
   "main": "index.js",
   "scripts": {
diff --git a/resources/bill.js b/resources/bill.js
index 134e6e8..7c1bbc9 100644
--- a/resources/bill.js
+++ b/resources/bill.js
@@ -10,7 +10,7 @@ module.exports = {
   createBill: {
     method: 'post',
     endpoint: [root, '/CreateCustomerBill'].join(''),
-    params: ['type*','number','name*','mobile*','currency*','email*','amount*','description*','frequency','expiry']
+    params: ['type','number','name*','mobile*','currency*','email*','amount*','description*','frequency','expiry']
   },
 
   /*
diff --git a/resources/payment.js b/resources/payment.js
index 65cde0c..3182186 100644
--- a/resources/payment.js
+++ b/resources/payment.js
@@ -33,6 +33,23 @@ module.exports = {
     params: ['name*','email*','mobile*', 'mobile_network*', 'amount*', 'currency*', 'order_id*', 'order_desc', 'customerid', 'signature', 'callback']
   },
 
+   /*
+  Create Checkout 
+  */
+  CreateCheckout: {
+    method: 'post',
+    endpoint: [root, '/CreateCheckout'].join(''),
+    params: ['options','name*','email*','mobile*','amount*','currency*','order_id*','order_desc*','customerid','redirecturl','callbackurl']
+  },
+
+   /*
+  Get Trans Charge
+  */
+  GetTransCharge: {
+    method: 'post',
+    endpoint: [root, '/GetTransCharge'].join(''),
+    params: ['type*','amount*']
+  },
 
   /*
   Balance Enquiry