diff --git a/lib/client.js b/lib/client.js
index 52784cc..772671a 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -219,6 +219,26 @@ function processResponse(path, result) {
   return result;
 }
 
+function isOriginValid(origin) {
+  var WHITELISTED_ORIGINS = [
+    /.*zendesk\.com.*/gi,
+    /.*zd-staging\.com.*/gi,
+    /.*zd-dev\.com.*/gi,
+    /.*zd-master\.com.*/gi,
+    /.*zendesk-staging\.com.*/gi,
+    /.*dashboard\.zopim\.com.*/gi,
+    /.*dashboard\.zopim\.org.*/gi
+  ];
+
+  for (var i = 0; i < WHITELISTED_ORIGINS.length; i++) {
+    if (WHITELISTED_ORIGINS[i].test(origin)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 var Client = function(options) {
   this._parent = options.parent;
   this._origin = options.origin || this._parent && this._parent._origin;
@@ -232,6 +252,10 @@ var Client = function(options) {
   this._context = options.context || null;
   this.ready = false;
 
+  if(!isOriginValid(this._origin)) {
+    throw new Error('Invalid domain');
+  }
+
   this.on('app.registered', function(data) {
     this.ready = true;
     this._metadata = data.metadata;
diff --git a/spec/client_spec.js b/spec/client_spec.js
index 3f7b6b3..f8a07fa 100644
--- a/spec/client_spec.js
+++ b/spec/client_spec.js
@@ -36,6 +36,78 @@ describe('Client', function() {
     window.addEventListener.callArgWith(1, evt);
   }
 
+  describe('isOriginValid', function() {
+    it('Should instantiate client for support production domain(subdomain.zendesk.com)', function() {
+      var validOriginClient = new Client({
+        origin: 'https://sub1.zendesk.com',
+        appGuid: 'appGuid',
+        source: source
+      });
+
+      expect(validOriginClient).to.exist;
+    });
+
+    it('Should instantiate client for support old staging domain(subdomain.zd-staging.com)', function() {
+      var validOriginClient = new Client({
+        origin: 'https://sub1.zd-staging.com',
+        appGuid: 'appGuid',
+        source: source
+      });
+
+      expect(validOriginClient).to.exist;
+    });
+
+    it('Should instantiate client for support new staging domain(subdomain.zendesk-staging.com)', function() {
+      var validOriginClient = new Client({
+        origin: 'https://sub1.zendesk-staging.com',
+        appGuid: 'appGuid',
+        source: source
+      });
+
+      expect(validOriginClient).to.exist;
+    });
+
+    it('Should instantiate client for support master stage domain(subdomain.zd-master.com)', function() {
+      var validOriginClient = new Client({
+        origin: 'https://sub1.zd-master.com',
+        appGuid: 'appGuid',
+        source: source
+      });
+
+      expect(validOriginClient).to.exist;
+    });
+
+    it('Should instantiate client for chat production domain(dashboard.zopim.com)', function() {
+      var validOriginClient = new Client({
+        origin: 'https://dashboard.zopim.com',
+        appGuid: 'appGuid',
+        source: source
+      });
+
+      expect(validOriginClient).to.exist;
+    });
+
+    it('Should instantiate client for chat staging domain(dashboard.zopim.org)', function() {
+      var validOriginClient = new Client({
+        origin: 'https://dashboard.zopim.org',
+        appGuid: 'appGuid',
+        source: source
+      });
+
+      expect(validOriginClient).to.exist;
+    });
+
+    it('Should throw when domain is invalid', function() {
+      expect(function() {
+        new Client({
+          origin: 'https://invalid-domain.com',
+          appGuid: 'appGuid',
+          source: source
+        });
+      }).to.throw(Error);
+    });
+  });
+
   describe('initialisation', function() {
     it('can be instantiated', function() {
       expect(subject).to.exist;
diff --git a/spec/index_spec.js b/spec/index_spec.js
index ec6a962..fb2183d 100644
--- a/spec/index_spec.js
+++ b/spec/index_spec.js
@@ -16,7 +16,7 @@ describe('ZAFClient', function() {
     describe('given origin and app_guid exist', function() {
       beforeEach(function() {
         Utils.queryParameters.returns({
-          origin: document.location,
+          origin: 'https://subdomain.zendesk.com',
           app_guid: 'A2'
         });
       });