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Android devices require an extra step to enable Critical Notifications. Please follow our guide on how to enable critical notifications.

Intro

With Zendo, you can send push notifications to all people you’ve invited who have the app installed. You can target a specific person or a group. Additionally, when someone installs Zendo on a new phone or tablet, they automatically receive notifications.

Set up push notifications

  1. Tap (settings)
  2. Tap “Property”
  3. Tap “Push Notifications”
  4. Follow the on-screen instructions.

Configure Home Assistant

Install push notification

  1. Install HACS if you haven’t already.
  2. Add Zendo to HACS
  3. Go to Settings > Devices & services > Add integration.
  4. Search for Zendo and add the integration.
  5. Open the Zendo iOS/Android app, go to Settings > Property > Push Notifications and follow the instructions on screen.

Send notifications

To use push notifications in your automations, use Home Assistant’s built‑in notify action for one of the predefined Zendo push entities.
If a person you’ve invited has multiple phones/tablets, push notifications are automatically sent to all devices for that person.
Example:
action: notify.zendo_owner
data:
  message: Content of your message
To access extra options, you can use the zendo.send_notification service.Example:
action: zendo.send_notification
target:
  entity_id: notify.zendo_owner
data:
  message: Content of your message
  interruption_level: time_sensitive

Attributes

The following options are available on the zendo.send_notification service:
message
string
required
The content of your message. Keep your message brief and include emojis if you’d like.
data
object (optional)

Inspiration: what you can do with push notifications

Here are some ideas you can set up. For homes, you could:
  • Notify when the alarm system is armed or disarmed. Send critical notifications if the alarm is triggered.
  • Notify your phone or tablet when the washing machine cycle is complete.
  • Get a notification when kids or your housekeeper unlock the front door while you’re away (combine push notifications with location-based automations).
For commercial properties, you could:
  • Notify when the alarm system is armed or disarmed. Send critical notifications if the alarm is triggered.
  • Get a notification when someone unlocks the front door in the morning.

Limitations

Please don’t rely solely on push notifications for critical or life‑threatening situations. Push notifications can be delayed or fail to deliver due to network issues, device settings, or app‑specific problems. Please ensure you have multiple emergency alert systems and backup communication methods in place. Push notifications are rate limited to ensure a good quality of service for everyone:
  • You can target more than one person per request, up to 10 people.
  • You can send up to 20 requests per minute.
  • There is a soft limit of 50 requests per day.

Privacy

Notifications are sent from your Home Assistant to the push infrastructure and then to Apple/Google. All messages are encrypted in transit. The content of your notifications is not stored. We store the push registration data (token) and simple counters of the total number of push notifications sent (for rate‑limiting purposes).

Notifications are not working

If something isn’t working, please check our troubleshoot guide.