diff --git a/tests/test_webservice.py b/tests/test_webservice.py
new file mode 100644
index 0000000..065608e
--- /dev/null
+++ b/tests/test_webservice.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+
+import pytest
+import json
+
+import MailboxValidator
+
+def testinvalidapikey(global_data):
+    mbv = MailboxValidator.SingleValidation(global_data["apikey"])
+    results = mbv.ValidateEmail('example@example.com')
+    assert results['error_message'] == 'API key not found.'
+
+def testapikeyexist(global_data, capsys):
+    if (global_data["apikey"] == 'YOUR_API_KEY'):
+        with capsys.disabled():
+            print ("You could enter a MailboxValidator API Key in tests/conftest.py for real web service calling test.")
+            print ("You could sign up for a free API key at https://www.mailboxvalidator.com/plans#api if you do not have one.")
+        assert global_data["apikey"] == "YOUR_API_KEY"
+    else:
+        assert global_data["apikey"] != "YOUR_API_KEY"
+
+def testvalidateemail(global_data):
+    mbv = MailboxValidator.SingleValidation(global_data["apikey"])
+    results = mbv.ValidateEmail('example@example.com')
+    if (global_data["apikey"] == 'YOUR_API_KEY'):
+        assert results['error_code'] == "101"
+    else:
+        assert results['status'] == "False"
+
+def testdisposableemail(global_data):
+    mbv = MailboxValidator.SingleValidation(global_data["apikey"])
+    results = mbv.DisposableEmail('example@example.com')
+    if (global_data["apikey"] == 'YOUR_API_KEY'):
+        assert results['error_code'] == "101"
+    else:
+        assert results['is_disposable'] == "True"
+
+def testfreeemail(global_data):
+    mbv = MailboxValidator.SingleValidation(global_data["apikey"])
+    results = mbv.FreeEmail('example@example.com')
+    if (global_data["apikey"] == 'YOUR_API_KEY'):
+        assert results['error_code'] == "101"
+    else:
+        assert results['is_free'] == "False"
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