diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
new file mode 100644
index 00000000..33ee7bf4
--- /dev/null
+++ b/CONTRIBUTIONS.md
@@ -0,0 +1,21 @@
+# Contributions to the apprise project
+
+## Creator & Maintainer
+
+* Chris Caron <lead2gold@gmail.com>
+
+## Contributors
+
+The following users have contributed to this project and their deserved
+recogition has been identified here.  If you have contributed and wish
+to be acknowledged for it, the syntax is as follows:
+
+```
+* [Your name or handle] <[email or website]>
+  * [Month Year] - [Brief summary of your contribution]
+```
+
+The contributors have been listed in alphabetical order:
+
+* Wim de With <wf@dewith.io>
+  * Dec 2018 - Added Matrix Support
diff --git a/README b/README
index 2c98b53a..cc1b5cb2 100644
--- a/README
+++ b/README
@@ -62,6 +62,12 @@ The table below identifies the services this tool supports and some example serv
 	kodi://user@hostname
 	kodi://user:password@hostname:port
 
+* Matrix
+	matrix://token
+	matrix://user@token
+	matrixs://token?mode=slack
+	matrixs://user@token?mode=matrix
+
 * Mattermost
 	mmost://hostname/authkey
 	mmost://hostname:80/authkey
diff --git a/README.md b/README.md
index 9dfda2ae..9c2444ac 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ The table below identifies the services this tool supports and some example serv
 | [IFTTT](https://github.com/caronc/apprise/wiki/Notify_ifttt) | ifttt://    | (TCP) 443    | ifttt://webhooksID/EventToTrigger<br />ifttt://webhooksID/EventToTrigger/Value1/Value2/Value3<br />ifttt://webhooksID/EventToTrigger/?Value3=NewEntry&Value2=AnotherValue
 | [Join](https://github.com/caronc/apprise/wiki/Notify_join) | join://   | (TCP) 443    | join://apikey/device<br />join://apikey/device1/device2/deviceN/<br />join://apikey/group<br />join://apikey/groupA/groupB/groupN<br />join://apikey/DeviceA/groupA/groupN/DeviceN/
 | [KODI](https://github.com/caronc/apprise/wiki/Notify_kodi) | kodi:// or kodis://    | (TCP) 8080 or 443   | kodi://hostname<br />kodi://user@hostname<br />kodi://user:password@hostname:port
+| [Matrix](https://github.com/caronc/apprise/wiki/Notify_matrix) | matrix://  | (TCP) 443 | matrix://token<br />matrix://user@token<br />matrixs://token?mode=slack<br />matrixs://user@token
 | [Mattermost](https://github.com/caronc/apprise/wiki/Notify_mattermost) | mmost://  | (TCP) 8065 | mmost://hostname/authkey<br />mmost://hostname:80/authkey<br />mmost://user@hostname:80/authkey<br />mmost://hostname/authkey?channel=channel<br />mmosts://hostname/authkey<br />mmosts://user@hostname/authkey<br />
 | [Prowl](https://github.com/caronc/apprise/wiki/Notify_prowl) | prowl://   | (TCP) 443    | prowl://apikey<br />prowl://apikey/providerkey
 | [Pushalot](https://github.com/caronc/apprise/wiki/Notify_pushalot) | palot://    | (TCP) 443    | palot://authorizationtoken
diff --git a/apprise/plugins/NotifyMatrix.py b/apprise/plugins/NotifyMatrix.py
index 476af47a..0f215ed3 100644
--- a/apprise/plugins/NotifyMatrix.py
+++ b/apprise/plugins/NotifyMatrix.py
@@ -2,7 +2,7 @@
 #
 # Matrix WebHook Notify Wrapper
 #
-# Copyright (C) 2018 Chris Caron <lead2gold@gmail.com>, Wim de With <wf@dewith.io>
+# Copyright (C) 2018-2019 Chris Caron <lead2gold@gmail.com>
 #
 # This file is part of apprise.
 #
@@ -30,8 +30,6 @@ from time import time
 
 from .NotifyBase import NotifyBase
 from .NotifyBase import HTTP_ERROR_MAP
-from ..common import NotifyImageSize
-from ..utils import compat_is_basestring
 
 # Token required as part of the API request
 VALIDATE_TOKEN = re.compile(r'[A-Za-z0-9]{64}')
@@ -45,15 +43,18 @@ MATRIX_HTTP_ERROR_MAP.update({
     403: 'Unauthorized - Invalid Token.',
 })
 
+
 class MatrixNotificationMode(object):
-    SLACK = 0
-    MATRIX = 1
+    SLACK = "slack"
+    MATRIX = "matrix"
+
 
 MATRIX_NOTIFICATION_MODES = (
     MatrixNotificationMode.SLACK,
     MatrixNotificationMode.MATRIX,
 )
 
+
 class NotifyMatrix(NotifyBase):
     """
     A wrapper for Matrix Notifications
@@ -77,7 +78,7 @@ class NotifyMatrix(NotifyBase):
     # The maximum allowable characters allowed in the body per message
     body_maxlen = 1000
 
-    def __init__(self, token, mode=None, **kwargs):
+    def __init__(self, token, mode=MatrixNotificationMode.MATRIX, **kwargs):
         """
         Initialize Matrix Object
         """
@@ -90,10 +91,12 @@ class NotifyMatrix(NotifyBase):
             self.schema = 'http'
 
         if not isinstance(self.port, int):
-            self.notify_url = '%s://%s/api/v1/matrix/hook' % (self.schema, self.host)
+            self.notify_url = '%s://%s/api/v1/matrix/hook' % (
+                self.schema, self.host)
 
         else:
-            self.notify_url = '%s://%s:%d/api/v1/matrix/hook' % (self.schema, self.host, self.port)
+            self.notify_url = '%s://%s:%d/api/v1/matrix/hook' % (
+                self.schema, self.host, self.port)
 
         if not VALIDATE_TOKEN.match(token.strip()):
             self.logger.warning(
@@ -111,13 +114,11 @@ class NotifyMatrix(NotifyBase):
                 'No user was specified; using %s.' % MATRIX_DEFAULT_USER)
             self.user = MATRIX_DEFAULT_USER
 
-        if not mode:
-            self.logger.warning(
-                'No mode was specified, using Slack mode')
-            self.mode = MatrixNotificationMode.SLACK
+        if mode not in MATRIX_NOTIFICATION_MODES:
+            self.logger.warning('The mode specified (%s) is invalid.' % mode)
+            raise TypeError('The mode specified (%s) is invalid.' % mode)
 
-        else:
-            self.mode = mode
+        self.mode = mode
 
         self._re_formatting_map = {
             # New lines must become the string version
@@ -159,7 +160,7 @@ class NotifyMatrix(NotifyBase):
             self.token,
         )
 
-        if self.mode is MatrixNotificationMode.MATRIX:
+        if self.mode == MatrixNotificationMode.MATRIX:
             payload = self.__matrix_mode_payload(title, body, notify_type)
 
         else:
@@ -188,8 +189,7 @@ class NotifyMatrix(NotifyBase):
                 except KeyError:
                     self.logger.warning(
                         'Failed to send Matrix '
-                        'notification (error=%s).' %
-                            r.status_code)
+                        'notification (error=%s).' % r.status_code)
 
                 # Return; we're done
                 notify_okay = False
@@ -254,13 +254,7 @@ class NotifyMatrix(NotifyBase):
         results['token'] = NotifyBase.unquote(results['query'])
 
         if 'mode' in results['qsd'] and len(results['qsd']['mode']):
-            _map = {
-                'slack': MatrixNotificationMode.SLACK,
-                'matrix': MatrixNotificationMode.MATRIX,
-            }
-            try:
-                results['mode'] = _map[results['qsd']['mode'].lower()]
-            except KeyError:
-                pass
+            results['mode'] = results['qsd']\
+                .get('mode', MatrixNotificationMode.MATRIX).lower()
 
         return results
diff --git a/test/test_rest_plugins.py b/test/test_rest_plugins.py
index ba6c0a04..5b07369b 100644
--- a/test/test_rest_plugins.py
+++ b/test/test_rest_plugins.py
@@ -579,7 +579,7 @@ TEST_URLS = (
     }),
     # Name, port, token and invalid mode
     ('matrix://user@localhost:9000/%s?mode=foo' % ('a' * 64), {
-        'instance': plugins.NotifyMatrix,
+        'instance': TypeError,
     }),
     ('matrix://user@localhost:9000/%s?mode=slack' % ('a' * 64), {
         'instance': plugins.NotifyMatrix,