diff --git a/lib/jsonrpc2.js b/lib/jsonrpc2.js
index 694eef0..f4d0f3c 100644
--- a/lib/jsonrpc2.js
+++ b/lib/jsonrpc2.js
@@ -2,9 +2,10 @@
 // JSON-RPC 2.0 wrapper for WelsonJS framework
 // Namhyeon Go <abuse@catswords.net>
 // https://github.com/gnh1201/welsonjs
+// 
 function JsonRpc2(url) {
     this.url = url;
-    this.userAgent = "php-httpproxy/0.1.5 (Client; WelsonJS; abuse@catswords.net)";
+    this.userAgent = "php-httpproxy/0.1.5 (Client; WelsonJS)";
     
     this.setUserAgent = function(agent) {
         this.userAgent = agent;
@@ -48,10 +49,14 @@ function create(url) {
     return new JsonRpc2(url);
 }
 
+var DEFAULT_JSONRPC2_URL = "https://azure-ashlan-40.tiiny.io/";
+
 exports.wrap = wrap;
 exports.create = create;
 
-exports.VERSIONINFO = "JSON-RPC 2.0 wrapper (jsonrpc2.js) version 0.1.4";
+exports.DEFAULT_JSONRPC2_URL = DEFAULT_JSONRPC2_URL;
+
+exports.VERSIONINFO = "JSON-RPC 2.0 wrapper (jsonrpc2.js) version 0.1.5";
 exports.AUTHOR = "abuse@catswords.net";
 exports.global = global;
 exports.require = global.require;
diff --git a/lib/punycode.js b/lib/punycode.js
index cecc377..6a45d0d 100644
--- a/lib/punycode.js
+++ b/lib/punycode.js
@@ -9,10 +9,8 @@
 // 
 var JsonRpc2 = require("lib/jsonrpc2");
 
-var API_URL = "https://azure-ashlan-40.tiiny.io/";
-
 function encode(s) {
-    var rpc = JsonRpc2.create(API_URL);
+    var rpc = JsonRpc2.create(JsonRpc2.DEFAULT_JSONRPC2_URL);
     var result = rpc.invoke("relay_invoke_method", {
         "callback": "load_script",
         "requires": [
@@ -27,7 +25,7 @@ function encode(s) {
 }
 
 function decode(s) {
-    var rpc = JsonRpc2.create(API_URL);
+    var rpc = JsonRpc2.create(JsonRpc2.DEFAULT_JSONRPC2_URL);
     var result = rpc.invoke("relay_invoke_method", {
         "callback": "load_script",
         "requires": [
@@ -44,7 +42,7 @@ function decode(s) {
 exports.encode = encode;
 exports.decode = decode;
 
-exports.VERSIONINFO = "Punycode Public API client (punycode.js) version 0.2.2";
+exports.VERSIONINFO = "Punycode Public API client (punycode.js) version 0.2.3";
 exports.AUTHOR = "abuse@catswords.net";
 exports.global = global;
 exports.require = global.require;
diff --git a/lib/totp.js b/lib/totp.js
index 307a981..464e225 100644
--- a/lib/totp.js
+++ b/lib/totp.js
@@ -10,10 +10,8 @@
 // 
 var JsonRpc2 = require("lib/jsonrpc2");
 
-var API_URL = "https://azure-ashlan-40.tiiny.io/";
-
 function getPubKey() {
-    var rpc = JsonRpc2.create(API_URL);
+    var rpc = JsonRpc2.create(JsonRpc2.DEFAULT_JSONRPC2_URL);
     var result = rpc.invoke("relay_invoke_method", {
         "callback": "load_script",
         "requires": [
@@ -28,7 +26,7 @@ function getPubKey() {
 }
 
 function getOtp(pubkey) {
-    var rpc = JsonRpc2.create(API_URL);
+    var rpc = JsonRpc2.create(JsonRpc2.DEFAULT_JSONRPC2_URL);
     var result = rpc.invoke("relay_invoke_method", {
         "callback": "load_script",
         "requires": [
@@ -45,7 +43,7 @@ function getOtp(pubkey) {
 exports.getPubKey = getPubKey;
 exports.getOtp = getOtp;
 
-exports.VERSIONINFO = "TOTP library (totp.js) version 0.1.6";
+exports.VERSIONINFO = "TOTP library (totp.js) version 0.1.7";
 exports.AUTHOR = "abuse@catswords.net";
 exports.global = global;
 exports.require = global.require;