How to connect Home Assistant with NTFy to receive push notifications

If you're into home automation, you know that receiving alerts on your phone when something happens at home is essential. ntfy presents itself as a solution. excellent HTTP-based which allows sending push notifications to smartphones or computers without complications, avoiding dependence on the closed ecosystems of large technology companies.

The best thing about it is that, being software completely open sourceYou have the freedom to use the official public instance or set up your own server at home. In this sense, integrating it with Home Assistant opens up a range of possibilities for your home to speak to you in real time, and thus you can receive push notifications efficiently.

Home Assistant integration methods

There are several ways to make these two tools understand each other. The most modern option is to use the official NTFS integrationThis method allows you to publish messages to ntfy.sh services or personal instances. This approach is ideal because it allows you to manage specific topics and leverage event entities to trigger automations.

For those who prefer something more flexible, there is a custom component that can be installed via HACSThis method is very powerful because it supports file attachmentsJPEG compressed images and custom action buttons, all configurable from the file configuration.yaml.

If you don't want to install anything complex, you can use the platform Apprise as an intermediaryYou just need to define the ntfy URL in your notification settings, following the format ntfy://usuario:password@host:puerto/temaIt's a quick and effective solution that works wonders for those looking for absolute simplicity.

Finally, there are those who opt for the most direct route using the platform REST of Home AssistantBy configuring a POST method to the ntfy server URL, you can send the title and message directly. This is the preferred option for those who don't want to... depend on integrations external users prefer to handle JSON manually.

Deploying your own server with Docker

Setting up your own instance is the next level for privacy enthusiasts. The easiest way to do this is through Docker or Docker-ComposeUsing the official binwiederhier/ntfy image, it is vital to allocate the correct volumes for caching and configuration data. don't miss out when restarting the container.

To make the server accessible from outside the home, it is best to use a Cloudflare Tunnel or Nginx Proxy ManagerThis allows you to obtain a secure URL with HTTPS, which is essential if you want notifications to reach your mobile phone when you're not connected to your home Wi-Fi without exposing your data. dangerous ports on your router.

Regarding access control, NTFy allows you to block all traffic by default using the option auth-default-access: deny-all in the file server.ymlIn this way, only users with a authentication token Valid users will be able to read or write in the topics, preventing any curious person who guesses your URL from being able to send you spam.

Advanced settings and features

Once connected, you can experiment with message settings. Don't just send text; you can add alert prioritiesTags to categorize ads and links that open a specific website when clicked. It's even possible to send ZIP files or images resized to avoid saturating the bandwidth.

The official integration also provides very useful sensors that monitor the status of your account. You can follow the statistics of messages sent, your plan's daily limits and remaining attachment space. All of this is reflected in Home Assistant as diagnostic entities that warn you if you are reaching the service limit.

If you use your own instance, Home Assistant can create a updating entityThis lets you know instantly if a new version of NTFY is available for download, making it easier to keep your system up to date. advertising infrastructure always up-to-date and bug-free.

Use cases and creative automations

The potential is enormous. You can configure Home Assistant so that when it detects an intruder with the Frigate NVR, it sends an alert. notification with photo of the event through a "Critical Alerts" thread. By using high prioritiesThe phone may ring even if it is in do not disturb mode.

Another interesting example is using n8n as a bridge. You can create a flow where a webhook receives a request from an internal menu, calculates data, and then uses ntfy to notify staff and, simultaneously, activate a script of TTS on Google Home to announce the order aloud in the kitchen.

To better organize the information, the ideal is to create multiple channelsFor example, one theme for general notifications (like the washing machine status) and another exclusively for emergencies (like a water leak). This way, you can configure your mobile app to different reaction depending on the importance of the topic subscribed to.

Having a robust notification system means combining the ease of use of NTFY with the power of Home Assistant. Whether through official integration, HACS, or a simple REST call, you gain complete control over your alerts, allowing you to manage everything from simple notifications to complex workflows. secure authentication and self-hosted servers that protect your privacy.

Alberto Navarro

I am a technology enthusiast who has turned his "geek" interests into a profession. I have spent more than 10 years of my life using cutting-edge technology and tinkering with all kinds of programs out of pure curiosity. Now I have specialized in computer technology and video games. This is because for more than 5 years I have been writing for various websites on technology and video games, creating articles that seek to give you the information you need in a language that is understandable to everyone.

If you have any questions, my knowledge ranges from everything related to the Windows operating system as well as Android for mobile phones. And my commitment is to you, I am always willing to spend a few minutes and help you resolve any questions you may have in this internet world.