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<h1 class="title indent">
RESTful Binary Sensor
</h1>
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<p>The <code class="highlighter-rouge">rest</code> binary sensor platform is consuming a given endpoint which is exposed by a <a href="https://en.wikipedia.org/wiki/Representational_state_transfer">RESTful API</a> of a device, an application, or a web service. The binary sensor has support for GET and POST requests.</p>
<p>The JSON messages can contain different values like <code class="highlighter-rouge">1</code>, <code class="highlighter-rouge">"1"</code>, <code class="highlighter-rouge">TRUE</code>, <code class="highlighter-rouge">true</code>, <code class="highlighter-rouge">on</code>, or <code class="highlighter-rouge">open</code>. If the value is nested then use a <a href="/topics/templating/">template</a>.</p>
<div class="language-json highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="w">
</span><span class="nt">"name"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Binary sensor"</span><span class="p">,</span><span class="w">
</span><span class="nt">"state"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
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</span><span class="p">}</span><span class="w">
</span></code></pre>
</div>
<p>To enable this sensor, add the following lines to your <code class="highlighter-rouge">configuration.yaml</code> file for a GET request:</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="c1"># Example configuration.yaml entry</span>
<span class="s">binary_sensor</span><span class="pi">:</span>
<span class="pi">-</span> <span class="s">platform</span><span class="pi">:</span> <span class="s">rest</span>
<span class="s">resource</span><span class="pi">:</span> <span class="s">http://IP_ADDRESS/ENDPOINT</span>
</code></pre>
</div>
<p>or for a POST request:</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="c1"># Example configuration.yaml entry</span>
<span class="s">binary_sensor</span><span class="pi">:</span>
<span class="pi">-</span> <span class="s">platform</span><span class="pi">:</span> <span class="s">rest</span>
@ -122,9 +92,7 @@
<span class="s">method</span><span class="pi">:</span> <span class="s">POST</span>
</code></pre>
</div>
<p>Configuration variables:</p>
<ul>
<li><strong>resource</strong> (<em>Required</em>): The resource or endpoint that contains the value.</li>
<li><strong>method</strong> (<em>Optional</em>): The method of the request. Default is GET.</li>
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<li><strong>password</strong> (<em>Optional</em>): The password for accessing the REST endpoint.</li>
<li><strong>headers</strong> (<em>Optional</em>): The headers for the requests.</li>
</ul>
<p class="note warning">
Make sure that the URL exactly matches your endpoint or resource.
</p>
<h2><a class="title-link" name="examples" href="#examples"></a> Examples</h2>
<p>In this section you find some real life examples of how to use this sensor.</p>
<h3><a class="title-link" name="arest-sensor" href="#arest-sensor"></a> aREST sensor</h3>
<p>Instead of using an <a href="/components/binary_sensor.arest/">aREST</a> binary sensor, you could retrieve the value of a device supporting aREST directly with a REST binary sensor.</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="s">binary_sensor</span><span class="pi">:</span>
<span class="pi">-</span> <span class="s">platform</span><span class="pi">:</span> <span class="s">rest</span>
<span class="s">resource</span><span class="pi">:</span> <span class="s">http://192.168.0.5/digital/9</span>
@ -160,11 +122,8 @@ Make sure that the URL exactly matches your endpoint or resource.
<span class="s">value_template</span><span class="pi">:</span> <span class="s1">'</span><span class="s">{{</span><span class="nv"> </span><span class="s">value_json.return_value</span><span class="nv"> </span><span class="s">}}'</span>
</code></pre>
</div>
<h3><a class="title-link" name="accessing-an-http-authentication-protected-endpoint" href="#accessing-an-http-authentication-protected-endpoint"></a> Accessing an HTTP authentication protected endpoint</h3>
<p>The REST sensor supports HTTP authentication and customized headers.</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="s">binary_sensor</span><span class="pi">:</span>
<span class="pi">-</span> <span class="s">platform</span><span class="pi">:</span> <span class="s">rest</span>
<span class="s">resource</span><span class="pi">:</span> <span class="s">http://IP_ADDRESS:5000/binary_sensor</span>
@ -176,9 +135,7 @@ Make sure that the URL exactly matches your endpoint or resource.
<span class="s">Content-Type</span><span class="pi">:</span> <span class="s">application/json</span>
</code></pre>
</div>
<p>The headers will contain all relevant details. This will also give you the ability to access endpoints that are protected by tokens.</p>
<div class="language-bash highlighter-rouge"><pre class="highlight"><code>Content-Length: 1024
Host: IP_ADDRESS1:5000
Authorization: Basic aGExOnRlc3Qx
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User-Agent: Home Assistant
</code></pre>
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