diff --git a/README.md b/README.md
index 8397752..7269931 100644
--- a/README.md
+++ b/README.md
@@ -136,6 +136,10 @@ myTeamsMessage.send()
 
 Please use Github issues to report any bugs or request enhancements.
 
+## Exceptions
+
+If the call to the Microsoft Teams webhook service fails, a `TeamsWebhookException` will be thrown.
+
 ## Testing
 
 In order to test in your environment with pytest, set the environment variable `MS_TEAMS_WEBHOOK` to the Microsoft Teams Webhook url you would like to use.
diff --git a/pymsteams/__init__.py b/pymsteams/__init__.py
index ac70197..77842e6 100644
--- a/pymsteams/__init__.py
+++ b/pymsteams/__init__.py
@@ -5,6 +5,10 @@
 
 import requests
 
+class TeamsWebhookException(Exception):
+   """custom exception for failed webhook call"""
+   pass
+
 class cardsection:
 
     def title(self, stitle):
@@ -196,8 +200,7 @@ def send(self):
         if r.status_code == requests.codes.ok:
             return True
         else:
-            print(r.text)
-            return False
+            raise TeamsWebhookException(r.text)
 
     def __init__(self, hookurl, http_proxy=None, https_proxy=None, http_timeout=60):
         self.payload = {}
diff --git a/setup.py b/setup.py
index b5e7c35..c1ef440 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 from setuptools import setup
 from setuptools.command.install import install
 
-VERSION = "0.1.10"
+VERSION = "0.1.11"
 
 def readme():
     """ print long description """
diff --git a/test/test_webhook.py b/test/test_webhook.py
index c585371..6e1cc3f 100644
--- a/test/test_webhook.py
+++ b/test/test_webhook.py
@@ -1,5 +1,6 @@
 import os
 import sys
+import pytest
 
 # add scripts to the path
 sys.path.append(
@@ -9,6 +10,7 @@
         )
     )[0]
 )
+
 import pymsteams
 
 def test_env_webhook_url():
@@ -93,3 +95,13 @@ def test_send_potential_action():
     myTeamsMessage.addPotentialAction(myTeamsPotentialAction3)
     myTeamsMessage.summary("Message Summary")
     myTeamsMessage.send()
+
+def test_bad_webhook_call():
+    with pytest.raises(pymsteams.TeamsWebhookException):
+        #myTeamsMessage = pymsteams.connectorcard(os.getenv("MS_TEAMS_WEBHOOK"))
+        myTeamsMessage = pymsteams.connectorcard("https://httpstat.us/500")
+        myTeamsMessage.text("This is a simple text message.")
+        myTeamsMessage.title("Simple Message Title")
+        myTeamsMessage.send()
+        #myTeamsMessage.hookurl = "https://httpstat.us/500"
+    
\ No newline at end of file