diff --git a/homeassistant/components/switch/rest.py b/homeassistant/components/switch/rest.py
index b68cc038e89..9c589d1d95b 100644
--- a/homeassistant/components/switch/rest.py
+++ b/homeassistant/components/switch/rest.py
@@ -13,8 +13,8 @@ import voluptuous as vol
 
 from homeassistant.components.switch import (SwitchDevice, PLATFORM_SCHEMA)
 from homeassistant.const import (
-    CONF_NAME, CONF_RESOURCE, CONF_TIMEOUT, CONF_METHOD, CONF_USERNAME,
-    CONF_PASSWORD)
+    CONF_HEADERS, CONF_NAME, CONF_RESOURCE, CONF_TIMEOUT, CONF_METHOD,
+    CONF_USERNAME, CONF_PASSWORD)
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -34,6 +34,7 @@ SUPPORT_REST_METHODS = ['post', 'put']
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
     vol.Required(CONF_RESOURCE): cv.url,
+    vol.Optional(CONF_HEADERS): {cv.string: cv.string},
     vol.Optional(CONF_BODY_OFF, default=DEFAULT_BODY_OFF): cv.template,
     vol.Optional(CONF_BODY_ON, default=DEFAULT_BODY_ON): cv.template,
     vol.Optional(CONF_IS_ON_TEMPLATE): cv.template,
@@ -54,6 +55,7 @@ def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
     body_on = config.get(CONF_BODY_ON)
     is_on_template = config.get(CONF_IS_ON_TEMPLATE)
     method = config.get(CONF_METHOD)
+    headers = config.get(CONF_HEADERS)
     name = config.get(CONF_NAME)
     username = config.get(CONF_USERNAME)
     password = config.get(CONF_PASSWORD)
@@ -72,8 +74,8 @@ def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
     timeout = config.get(CONF_TIMEOUT)
 
     try:
-        switch = RestSwitch(name, resource, method, auth, body_on, body_off,
-                            is_on_template, timeout)
+        switch = RestSwitch(name, resource, method, headers, auth, body_on,
+                            body_off, is_on_template, timeout)
 
         req = yield from switch.get_device_state(hass)
         if req.status >= 400:
@@ -90,13 +92,14 @@ def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
 class RestSwitch(SwitchDevice):
     """Representation of a switch that can be toggled using REST."""
 
-    def __init__(self, name, resource, method, auth, body_on, body_off,
-                 is_on_template, timeout):
+    def __init__(self, name, resource, method, headers, auth, body_on,
+                 body_off, is_on_template, timeout):
         """Initialize the REST switch."""
         self._state = None
         self._name = name
         self._resource = resource
         self._method = method
+        self._headers = headers
         self._auth = auth
         self._body_on = body_on
         self._body_off = body_off
@@ -153,7 +156,8 @@ class RestSwitch(SwitchDevice):
 
         with async_timeout.timeout(self._timeout, loop=self.hass.loop):
             req = yield from getattr(websession, self._method)(
-                self._resource, auth=self._auth, data=bytes(body, 'utf-8'))
+                self._resource, auth=self._auth, data=bytes(body, 'utf-8'),
+                headers=self._headers)
             return req
 
     @asyncio.coroutine
diff --git a/tests/components/switch/test_rest.py b/tests/components/switch/test_rest.py
index 1b8215660bd..064d0b1825b 100644
--- a/tests/components/switch/test_rest.py
+++ b/tests/components/switch/test_rest.py
@@ -82,6 +82,7 @@ class TestRestSwitchSetup:
                 'platform': 'rest',
                 'name': 'foo',
                 'resource': 'http://localhost',
+                'headers': {'Content-type': 'application/json'},
                 'body_on': 'custom on text',
                 'body_off': 'custom off text',
             }
@@ -99,12 +100,13 @@ class TestRestSwitch:
         self.name = 'foo'
         self.method = 'post'
         self.resource = 'http://localhost/'
+        self.headers = {'Content-type': 'application/json'}
         self.auth = None
         self.body_on = Template('on', self.hass)
         self.body_off = Template('off', self.hass)
         self.switch = rest.RestSwitch(
-            self.name, self.resource, self.method, self.auth, self.body_on,
-            self.body_off, None, 10)
+            self.name, self.resource, self.method, self.headers, self.auth,
+            self.body_on, self.body_off, None, 10)
         self.switch.hass = self.hass
 
     def teardown_method(self):