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<title>ntfy.sh | Send push notifications to your phone via PUT/POST</title>
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<meta property="og:description" content="ntfy is a simple HTTP-based pub-sub notification service. It allows you to send desktop notifications via scripts from any computer, entirely without signup or cost. Made with ❤ by Philipp C. Heckel, Apache License 2.0, source at https://heckel.io/ntfy." />
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<img id="logo" src="static/img/ntfy.png" alt="logo"/>
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<div id="name">ntfy</div>
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<ol>
<li><a href="docs/">Getting started</a></li>
<li><a href="docs/subscribe/phone/">Android/iOS</a></li>
<li><a href="docs/publish/">API</a></li>
<li><a href="docs/install/">Self-hosting</a></li>
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<li><a href="https://github.com/binwiederhier/ntfy">GitHub</a></li>
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<div id="main"{{if .Topic}} style="display: none"{{end}}>
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<h1>Send push notifications to your phone or desktop via PUT/POST</h1>
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<p>
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<b>ntfy</b> (pronounce: <i>notify</i>) is a simple HTTP-based <a href="https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern">pub-sub</a> notification service.
It allows you to send notifications to your phone or desktop via scripts from any computer,
entirely <b>without signup, cost or setup</b>. It's also <a href="https://github.com/binwiederhier/ntfy">open source</a> if you want to run your own.
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</p>
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<div id="screenshots">
<a href="static/img/screenshot-curl.png"><img src="static/img/screenshot-curl.png"/></a>
<a href="static/img/screenshot-web-detail.png"><img src="static/img/screenshot-web-detail.png"/></a>
<span class="nowrap">
<a href="static/img/screenshot-phone-main.jpg"><img src="static/img/screenshot-phone-main.jpg"/></a>
<a href="static/img/screenshot-phone-detail.jpg"><img src="static/img/screenshot-phone-detail.jpg"/></a>
<a href="static/img/screenshot-phone-notification.jpg"><img src="static/img/screenshot-phone-notification.jpg"/></a>
</span>
</div>
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<h2 id="publish" class="anchor">Publishing messages</h2>
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<p>
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<a href="docs/publish/">Publishing messages</a> can be done via PUT or POST. Topics are created on the fly by subscribing or publishing to them.
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Because there is no sign-up, <b>the topic is essentially a password</b>, so pick something that's not easily guessable.
</p>
<p class="smallMarginBottom">
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Here's an example showing how to publish a message using a POST request (via <tt>curl -d</tt>):
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</p>
<code>
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curl -d "Backup successful 😀" <span class="ntfyUrl">ntfy.sh</span>/mytopic
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</code>
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<p class="smallMarginBottom">
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There are <a href="docs/publish/">more features</a> related to publishing messages: You can set a
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<a href="docs/publish/#message-priority">notification priority</a>, a <a href="docs/publish/#message-title">title</a>,
and <a href="docs/publish/#tags-emojis">tag messages</a>.
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Here's an example using all of them:
</p>
<code>
curl \<br/>
-H "Title: Unauthorized access detected" \<br/>
-H "Priority: urgent" \<br/>
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-H "Tags: warning,skull" \<br/>
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-d "Remote access to $(hostname) detected. Act right away." \<br/>
<span class="ntfyUrl">ntfy.sh</span>/mytopic
</code>
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<p>
Here's what that looks like in the <a href="docs/subscribe/phone/">Android app</a>:
</p>
<figure>
<img src="static/img/priority-notification.png" style="max-height: 200px"/>
<figcaption>Urgent notification with pop-over</figcaption>
</figure>
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<h2 id="subscribe" class="anchor">Subscribe to a topic</h2>
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<p>
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You can create and subscribe to a topic either <a href="docs/subscribe/phone/">using your phone</a>,
in <a href="docs/subscribe/web/">this web UI</a>, or in your own app by <a href="docs/subscribe/api/">subscribing via the API</a>.
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</p>
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<h3 id="subscribe-phone" class="anchor">Subscribe from your phone</h3>
<p>
Simply get the app and start <a href="docs/publish/">publishing messages</a>. To learn more about the app,
<a href="docs/subscribe/phone/">check out the documentation</a>.
</p>
<p>
<a href="https://play.google.com/store/apps/details?id=io.heckel.ntfy"><img src="static/img/badge-googleplay.png"></a>
<a href="https://f-droid.org/en/packages/io.heckel.ntfy/"><img src="static/img/badge-fdroid.png"></a>
<a href="https://github.com/binwiederhier/ntfy/issues/4"><img src="static/img/badge-appstore.png"></a>
</p>
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<p>
Here's a video showing the app in action:
</p>
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<figure>
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<video controls muted autoplay loop src="static/img/android-video-overview.mp4" style="max-width: 650px"></video>
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<figcaption>Sending push notifications to your Android phone</figcaption>
</figure>
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<div id="subscribeBox">
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<h3 id="subscribe-web" class="anchor">Subscribe in this Web UI</h3>
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<p id="error"></p>
<p>
Subscribe to topics here and receive messages as <b>desktop notification</b>. Topics are not password-protected,
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so choose a name that's not easy to guess.
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</p>
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<form id="subscribeForm">
<p>
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<b>Topic:</b><br/>
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<input type="text" id="topicField" autocomplete="off" placeholder="Topic name, e.g. phil_alerts" maxlength="64" pattern="[-_A-Za-z0-9]{1,64}" />
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<button id="subscribeButton">Subscribe</button>
</p>
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<p id="topicsHeader"><b>Subscribed topics:</b></p>
<ul id="topicsList"></ul>
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</form>
<audio id="notifySound" src="static/sound/mixkit-message-pop-alert-2354.mp3"></audio>
</div>
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<h3 id="subscribe-api" class="anchor">Subscribe using the API</h3>
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<p>
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There's a super simple API that you can use to integrate your own app. You can consume
a <a href="docs/subscribe/api/#subscribe-as-json-stream">JSON stream</a>,
an <a href="docs/subscribe/api/#subscribe-as-sse-stream">SSE/EventSource stream</a> (useful for web apps),
as well as a <a href="docs/subscribe/api/#subscribe-as-raw-stream">plain text stream</a>.
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</p>
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<p class="smallMarginBottom">
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Here's an example for JSON. The <b>connection stays open</b>, so you can retrieve messages as they come in:
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</p>
<code>
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$ curl -s <span class="ntfyUrl">ntfy.sh</span>/mytopic/json<br/>
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{"id":"SLiKI64DOt","time":1635528757,"event":"open","topic":"mytopic"}<br/>
{"id":"hwQ2YpKdmg","time":1635528741,"event":"message","topic":"mytopic","message":"Hi!"}<br/>
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{"id":"DGUDShMCsc","time":1635528787,"event":"keepalive","topic":"mytopic"}<br/>
...
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</code>
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<p>
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Here's a short video demonstrating it in action:
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</p>
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<figure>
<video controls muted autoplay loop src="static/img/android-video-subscribe-api.mp4" style="max-width: 650px"></video>
<figcaption>Subscribing to the JSON stream with <tt>curl</tt></figcaption>
</figure>
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<h3 id="docs" class="anchor">Check out the docs!</h3>
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<p>
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ntfy has so many more features and you can learn about all of them <a href="docs/">in the documentation</a>
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(I tried my very best to make it the best docs ever 😉, not sure if I succeeded, hehe).
</p>
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<figure>
<a href="docs/"><img width="100%" src="static/img/screenshot-docs.png"/></a>
<figcaption>Check out the documentation</figcaption>
</figure>
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<h3 id="free-software" class="anchor">100% open source & forever free</h3>
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<p>
I love free software, and I'm doing this because it's fun. I have no bad intentions, and I will
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never monetize or sell your information. This service will always stay
<a href="https://github.com/binwiederhier/ntfy">free and open</a>.
You can read more in the <a href="docs/faq/">FAQs</a> and in the <a href="docs/privacy/">privacy policy</a>.
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</p>
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<center id="ironicCenterTagDontFreakOut"><i>Made with ❤️ by <a href="https://heckel.io">Philipp C. Heckel</a></i></center>
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</div>
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<div id="detail"{{if not .Topic}} style="display: none"{{end}}>
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<button id="detailCloseButton"><img src="static/img/close.svg"/></button>
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<h1><span id="detailTitle"></span></h1>
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<p class="smallMarginBottom">
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<b>ntfy</b> is a simple HTTP-based pub-sub notification service. This is a ntfy topic.
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To send notifications to it, simply PUT or POST to the topic URL. Here's an example using <tt>curl</tt>:
</p>
<code>
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curl -d "Backup failed" <span id="detailTopicUrl">ntfy.sh/topic</span>
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</code>
<p id="detailNotificationsDisallowed">
If you'd like to receive desktop notifications when new messages arrive on this topic, you have
<a href="#" onclick="return requestPermission()">grant the browser permission</a> to show notifications.
Click the link to do so.
</p>
<p class="smallMarginBottom">
<b>Recent notifications</b> (cached for {{.CacheDuration}}):
</p>
<p id="detailNoNotifications">
<i>You haven't received any notifications for this topic yet.</i>
</p>
<div id="detailEventsList"></div>
</div>
</div>
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