Just a quick note if you want to use ntfy.sh with Home Assistant.

Setup

I added the following section to my /config/configuration.yaml file:

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shell_command:
    ntfy: >
        curl
        -X POST
        --url 'https://ntfy.sh/{{ topic }}'
        --data '{{ message }}'
        --header 'X-Title: {{ title }}'
        --header 'X-Tags: {{ tags }}'
        --header 'X-Priority: {{ priority }}'
        --header 'X-Delay: {{ delay }}'
        --header 'X-Actions: {{ actions }}'
        --header 'X-Click: {{ click }}'
        --header 'X-Icon: {{ icon }}'

Usage

To send send a notification, I use this YAML action in an Automation. It’s not necessary to provide all parameters. I ran with these four. As far as I know: Theoretically only topic is required by ntfy. But this simple shell_command action does not check if you set a topic.

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service: shell_command.ntfy
alias: Send ntfy.sh
data:
  tags: monocle_face
  topic: test
  title: Waschmaschine
  message: Die Waschmaschine ist fertig!

Set default values

If you want to, you can also define default values. For example in this codeblock I’ve set the default topic to “test”. So if I don’t specify a topic when calling the command, it will fallback to test.

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shell_command:
    ntfy: >
        curl
        -X POST
        --url 'https://ntfy.sh/{{ topic | default("test") }}'
        --data '{{ message }}'
        --header 'X-Title: {{ title }}'
        --header 'X-Tags: {{ tags }}'
        --header 'X-Priority: {{ priority }}'
        --header 'X-Delay: {{ delay }}'
        --header 'X-Actions: {{ actions }}'
        --header 'X-Click: {{ click }}'
        --header 'X-Icon: {{ icon }}'