diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 38a8b3e..2a0af5c 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,8 +2,6 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="7e2e0eec-b22e-4d48-8f24-196d1ed9b51a" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/octoprint_mystromswitch/__init__.py" beforeDir="false" afterPath="$PROJECT_DIR$/octoprint_mystromswitch/__init__.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/setup.py" beforeDir="false" afterPath="$PROJECT_DIR$/setup.py" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -49,41 +47,6 @@
       <option name="presentableId" value="Default" />
       <updated>1574193087583</updated>
     </task>
-    <task id="LOCAL-00048" summary="#14 Einstellungen reorganisieren">
-      <created>1574873809876</created>
-      <option name="number" value="00048" />
-      <option name="presentableId" value="LOCAL-00048" />
-      <option name="project" value="LOCAL" />
-      <updated>1574873809876</updated>
-    </task>
-    <task id="LOCAL-00049" summary="#14 Einstellungen reorganisieren&#10;&#10;- Beschreibungen angepasst">
-      <created>1574874286229</created>
-      <option name="number" value="00049" />
-      <option name="presentableId" value="LOCAL-00049" />
-      <option name="project" value="LOCAL" />
-      <updated>1574874286229</updated>
-    </task>
-    <task id="LOCAL-00050" summary="#15 Beschreibung erstellen">
-      <created>1574876224274</created>
-      <option name="number" value="00050" />
-      <option name="presentableId" value="LOCAL-00050" />
-      <option name="project" value="LOCAL" />
-      <updated>1574876224274</updated>
-    </task>
-    <task id="LOCAL-00051" summary="#15 Beschreibung erstellen">
-      <created>1574876349466</created>
-      <option name="number" value="00051" />
-      <option name="presentableId" value="LOCAL-00051" />
-      <option name="project" value="LOCAL" />
-      <updated>1574876349466</updated>
-    </task>
-    <task id="LOCAL-00052" summary="#16 Codereview Octoprint Plugin Repo">
-      <created>1575192543311</created>
-      <option name="number" value="00052" />
-      <option name="presentableId" value="LOCAL-00052" />
-      <option name="project" value="LOCAL" />
-      <updated>1575192543311</updated>
-    </task>
     <task id="LOCAL-00053" summary="#17 Logging zur Fehleranalyse eingebaut">
       <created>1578938604039</created>
       <option name="number" value="00053" />
@@ -392,7 +355,42 @@
       <option name="project" value="LOCAL" />
       <updated>1593630096392</updated>
     </task>
-    <option name="localTasksCounter" value="97" />
+    <task id="LOCAL-00097" summary="#21 Add PowerOFF when print is finished">
+      <created>1593630227011</created>
+      <option name="number" value="00097" />
+      <option name="presentableId" value="LOCAL-00097" />
+      <option name="project" value="LOCAL" />
+      <updated>1593630227011</updated>
+    </task>
+    <task id="LOCAL-00098" summary="#24 API Token Support">
+      <created>1593630650365</created>
+      <option name="number" value="00098" />
+      <option name="presentableId" value="LOCAL-00098" />
+      <option name="project" value="LOCAL" />
+      <updated>1593630650365</updated>
+    </task>
+    <task id="LOCAL-00099" summary="#24 API Token Support">
+      <created>1593631193159</created>
+      <option name="number" value="00099" />
+      <option name="presentableId" value="LOCAL-00099" />
+      <option name="project" value="LOCAL" />
+      <updated>1593631193159</updated>
+    </task>
+    <task id="LOCAL-00100" summary="#24 API Token Support">
+      <created>1593631506549</created>
+      <option name="number" value="00100" />
+      <option name="presentableId" value="LOCAL-00100" />
+      <option name="project" value="LOCAL" />
+      <updated>1593631506549</updated>
+    </task>
+    <task id="LOCAL-00101" summary="#24 API Token Support">
+      <created>1593631764282</created>
+      <option name="number" value="00101" />
+      <option name="presentableId" value="LOCAL-00101" />
+      <option name="project" value="LOCAL" />
+      <updated>1593631764282</updated>
+    </task>
+    <option name="localTasksCounter" value="102" />
     <servers />
   </component>
   <component name="UnknownFeatures">
@@ -422,7 +420,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="#5 Rest Api integration&#10;&#10;- Bugfix plugin_requires" />
     <MESSAGE value="#5 Rest Api integration&#10;&#10;- Nullpointer fix" />
     <MESSAGE value="#6 UI Updates senden und anzeigen&#10;&#10;- unnötigen Code entfernen, erster Versuch" />
     <MESSAGE value="Revert &quot;#6 UI Updates senden und anzeigen&quot;&#10;&#10;This reverts commit f83d4259" />
@@ -447,6 +444,7 @@
     <MESSAGE value="#21 Add PowerOFF when print is finished&#10;&#10;neue Einstellmöglichkeiten anzeigen" />
     <MESSAGE value="#22 Button taucht nicht auf&#10;&#10;Fehler anzeigen wenn Verbindung zu switch nicht klappt" />
     <MESSAGE value="#21 Add PowerOFF when print is finished" />
-    <option name="LAST_COMMIT_MESSAGE" value="#21 Add PowerOFF when print is finished" />
+    <MESSAGE value="#24 API Token Support" />
+    <option name="LAST_COMMIT_MESSAGE" value="#24 API Token Support" />
   </component>
 </project>
\ No newline at end of file
diff --git a/octoprint_mystromswitch/__init__.py b/octoprint_mystromswitch/__init__.py
index 656dcc9..34d01b2 100644
--- a/octoprint_mystromswitch/__init__.py
+++ b/octoprint_mystromswitch/__init__.py
@@ -19,6 +19,7 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
 
     def __init__(self):
         self.ip = None
+        self.token = ""
         self.intervall = 1
         self.onOffButtonEnabled = False
         self.powerOnOnStart = False
@@ -50,6 +51,9 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
         self.ip = self._settings.get(["ip"])
         self._logger.debug("ip: %s" % self.ip)
 
+        self.token = self._settings.get(["token"])
+        self._logger.debug("token: %s" % self.token)
+
         self.intervall = self._settings.get_int(["intervall"])
         self._logger.debug("intervall: %s" % self.intervall)
 
@@ -174,7 +178,7 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
             try:
                 try:
                     request = requests.get(
-                        'http://{}/report'.format(self.ip), timeout=1)
+                        'http://{}/report'.format(self.ip), headers={"Token": self.token}, timeout=1)
                     if request.status_code == 200:
                         timestamp = time.time()
                         data = request.json()
@@ -212,8 +216,11 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
             value = '1'
         while nbRetry < 3:
             try:
+                headers = {}
+                if self.token is not None and self.token != "":
+                    headers = {"Token": self.token}
                 request = requests.get(
-                    'http://{}/relay'.format(self.ip), params={'state': value}, timeout=1)
+                    'http://{}/relay'.format(self.ip), params={'state': value}, headers=headers, timeout=1)
                 if request.status_code == 200:
                     return
                 else:
@@ -237,7 +244,8 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
                     self._logger.info("try to send Powercycle Request")
                     self._logger.info('http://{}/timer'.format(self.ip))
                     request = requests.post(
-                        'http://{}/timer'.format(self.ip), params={'mode': value, 'time': time}, timeout=1)
+                        'http://{}/timer'.format(self.ip), params={'mode': value, 'time': time}, headers={"Token": self.token},
+                        timeout=1)
                     if request.status_code == 200:
                         return
                     else:
@@ -255,7 +263,7 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
         while nbRetry < 3:
             try:
                 request = requests.get(
-                    'http://{}/toggle'.format(self.ip), timeout=1)
+                    'http://{}/toggle'.format(self.ip), headers={"Token": self.token}, timeout=1)
                 if request.status_code == 200:
                     return
                 else:
@@ -345,13 +353,16 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
                 self.lastShutdown = False
                 self.lastPowerOff = False
                 self.rememberShutdown = False
+            if current <= 5:
+                self.token = ""
 
     def get_settings_version(self):
-        return 5
+        return 6
 
     def get_settings_defaults(self):
         return dict(
             ip=None,
+            token="",
             intervall=1,
             onOffButtonEnabled=False,
             powerOnOnStart=False,
@@ -367,7 +378,7 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
 
     def get_settings_restricted_paths(self):
         return dict(admin=[
-            ['ip']
+            ['ip', 'token']
         ])
 
     def on_settings_save(self, data):
diff --git a/octoprint_mystromswitch/templates/mystromswitch_settings.jinja2 b/octoprint_mystromswitch/templates/mystromswitch_settings.jinja2
index f78142f..7abca9a 100644
--- a/octoprint_mystromswitch/templates/mystromswitch_settings.jinja2
+++ b/octoprint_mystromswitch/templates/mystromswitch_settings.jinja2
@@ -7,6 +7,13 @@
         </div>
     </div>
 
+    <div class="control-group">
+        <label class="control-label">{{ _('API Token') }}</label>
+        <div class="controls">
+            <input type="text" class="input-block-level" data-bind="value: settings.plugins.mystromswitch.token">
+        </div>
+    </div>
+
 	<div class="control-group">
         <label class="control-label">Refresh Intervall</label>
         <div class="controls">
diff --git a/setup.py b/setup.py
index 6b7970b..704ca33 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ plugin_package = "octoprint_mystromswitch"
 plugin_name = "OctoPrint-MyStromSwitch"
 
 # The plugin's version. Can be overwritten within OctoPrint's internal data via __plugin_version__ in the plugin module
-plugin_version = "1.0.4"
+plugin_version = "1.1.0"
 
 # The plugin's description. Can be overwritten within OctoPrint's internal data via __plugin_description__ in the plugin
 # module