diff --git a/.coveragerc b/.coveragerc
index 7f0f519133f..92c6cdbcfbc 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -122,6 +122,7 @@ omit =
     homeassistant/components/cast/*
     homeassistant/components/cert_expiry/helper.py
     homeassistant/components/channels/*
+    homeassistant/components/circuit/*
     homeassistant/components/cisco_ios/device_tracker.py
     homeassistant/components/cisco_mobility_express/device_tracker.py
     homeassistant/components/cisco_webex_teams/notify.py
diff --git a/CODEOWNERS b/CODEOWNERS
index 2d7805d676a..a8aea5f4727 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -68,6 +68,7 @@ homeassistant/components/bt_smarthub/* @jxwolstenholme
 homeassistant/components/buienradar/* @mjj4791 @ties
 homeassistant/components/cast/* @emontnemery
 homeassistant/components/cert_expiry/* @Cereal2nd @jjlawren
+homeassistant/components/circuit/* @braam
 homeassistant/components/cisco_ios/* @fbradyirl
 homeassistant/components/cisco_mobility_express/* @fbradyirl
 homeassistant/components/cisco_webex_teams/* @fbradyirl
diff --git a/homeassistant/components/circuit/__init__.py b/homeassistant/components/circuit/__init__.py
new file mode 100644
index 00000000000..3d97e110475
--- /dev/null
+++ b/homeassistant/components/circuit/__init__.py
@@ -0,0 +1,38 @@
+"""The Unify Circuit component."""
+
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import CONF_NAME, CONF_URL
+from homeassistant.helpers import config_validation as cv, discovery
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = "circuit"
+CONF_WEBHOOK = "webhook"
+
+WEBHOOK_SCHEMA = vol.Schema(
+    {vol.Optional(CONF_NAME): cv.string, vol.Required(CONF_URL): cv.string}
+)
+
+CONFIG_SCHEMA = vol.Schema(
+    {
+        DOMAIN: vol.Schema(
+            {vol.Required(CONF_WEBHOOK): vol.All(cv.ensure_list, [WEBHOOK_SCHEMA])}
+        )
+    },
+    extra=vol.ALLOW_EXTRA,
+)
+
+
+async def async_setup(hass, config):
+    """Set up the Unify Circuit component."""
+    webhooks = config[DOMAIN][CONF_WEBHOOK]
+
+    for webhook_conf in webhooks:
+        hass.async_create_task(
+            discovery.async_load_platform(hass, "notify", DOMAIN, webhook_conf, config)
+        )
+
+    return True
diff --git a/homeassistant/components/circuit/manifest.json b/homeassistant/components/circuit/manifest.json
new file mode 100644
index 00000000000..d6c43e18677
--- /dev/null
+++ b/homeassistant/components/circuit/manifest.json
@@ -0,0 +1,7 @@
+{
+  "domain": "circuit",
+  "name": "Unify Circuit",
+  "documentation": "https://www.home-assistant.io/integrations/circuit",
+  "codeowners": ["@braam"],
+  "requirements": ["circuit-webhook==1.0.1"]
+}
diff --git a/homeassistant/components/circuit/notify.py b/homeassistant/components/circuit/notify.py
new file mode 100644
index 00000000000..634ecb4f859
--- /dev/null
+++ b/homeassistant/components/circuit/notify.py
@@ -0,0 +1,37 @@
+"""Unify Circuit platform for notify component."""
+import logging
+
+from circuit_webhook import Circuit
+
+from homeassistant.components.notify import BaseNotificationService
+from homeassistant.const import CONF_URL
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def get_service(hass, config, discovery_info=None):
+    """Get the Unify Circuit notification service."""
+    if discovery_info is None:
+        return None
+
+    return CircuitNotificationService(discovery_info)
+
+
+class CircuitNotificationService(BaseNotificationService):
+    """Implement the notification service for Unify Circuit."""
+
+    def __init__(self, config):
+        """Initialize the service."""
+        self.webhook_url = config[CONF_URL]
+
+    def send_message(self, message=None, **kwargs):
+        """Send a message to the webhook."""
+
+        webhook_url = self.webhook_url
+
+        if webhook_url and message:
+            try:
+                circuit_message = Circuit(url=webhook_url)
+                circuit_message.post(text=message)
+            except RuntimeError as err:
+                _LOGGER.error("Could not send notification. Error: %s", err)
diff --git a/requirements_all.txt b/requirements_all.txt
index 00b38b49cf2..95a649b2d85 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -403,6 +403,9 @@ buienradar==1.0.4
 # homeassistant.components.caldav
 caldav==0.6.1
 
+# homeassistant.components.circuit
+circuit-webhook==1.0.1
+
 # homeassistant.components.cisco_mobility_express
 ciscomobilityexpress==0.3.3