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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="keywords" content="model, API, HTTP, HTTPS, JWT, REST, websocket, WSS">
<title> APIs • Eclipse Ditto™ • a digital twin framework</title>
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<select id="docVersion" name="docVersion">
<option value="">development</option>
<option value="3.6">3.6</option>
<option value="3.5">3.5</option>
<option value="3.4">3.4</option>
<option value="3.3">3.3</option>
<option value="3.2">3.2</option>
<option value="3.1">3.1</option>
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<div markdown="span" class="alert alert-warning" role="alert" style="font-size:0.6em"><i class="fa fa-warning"></i> <b>Important:</b> This documentation reflects the latest 'development'. You might want to choose a released version.</div>
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<li class="subfolders">
<a href="#"><span></span>Introduction</a>
<ul>
<li><a href="intro-overview.html">Overview</a></li>
<li><a href="intro-digitaltwins.html">Digital twins</a></li>
<li><a href="intro-hello-world.html">Hello world</a></li>
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<li class="subfolders">
<a href="#"><span></span>Release Notes</a>
<ul>
<li><a href="release_notes_362.html">3.6.2</a></li>
<li><a href="release_notes_361.html">3.6.1</a></li>
<li><a href="release_notes_360.html">3.6.0</a></li>
<li><a href="release_notes_3512.html">3.5.12</a></li>
<li><a href="release_notes_3511.html">3.5.11</a></li>
<li><a href="release_notes_3510.html">3.5.10</a></li>
<li><a href="release_notes_359.html">3.5.9</a></li>
<li><a href="release_notes_358.html">3.5.8</a></li>
<li><a href="release_notes_357.html">3.5.7</a></li>
<li><a href="release_notes_356.html">3.5.6</a></li>
<li><a href="release_notes_355.html">3.5.5</a></li>
<li><a href="release_notes_354.html">3.5.4</a></li>
<li><a href="release_notes_353.html">3.5.3</a></li>
<li><a href="release_notes_352.html">3.5.2</a></li>
<li><a href="release_notes_351.html">3.5.1</a></li>
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<li class="subfolders">
<a href="#"><span></span>Archive</a>
<ul>
<li><a href="release_notes_345.html">3.4.5</a></li>
<li><a href="release_notes_344.html">3.4.4</a></li>
<li><a href="release_notes_343.html">3.4.3</a></li>
<li><a href="release_notes_342.html">3.4.2</a></li>
<li><a href="release_notes_341.html">3.4.1</a></li>
<li><a href="release_notes_340.html">3.4.0</a></li>
<li><a href="release_notes_337.html">3.3.7</a></li>
<li><a href="release_notes_336.html">3.3.6</a></li>
<li><a href="release_notes_335.html">3.3.5</a></li>
<li><a href="release_notes_334.html">3.3.4</a></li>
<li><a href="release_notes_333.html">3.3.3</a></li>
<li><a href="release_notes_332.html">3.3.2</a></li>
<li><a href="release_notes_330.html">3.3.0</a></li>
<li><a href="release_notes_321.html">3.2.1</a></li>
<li><a href="release_notes_320.html">3.2.0</a></li>
<li><a href="release_notes_312.html">3.1.2</a></li>
<li><a href="release_notes_311.html">3.1.1</a></li>
<li><a href="release_notes_310.html">3.1.0</a></li>
<li><a href="release_notes_300.html">3.0.0</a></li>
<li><a href="release_notes_242.html">2.4.2</a></li>
<li><a href="release_notes_241.html">2.4.1</a></li>
<li><a href="release_notes_240.html">2.4.0</a></li>
<li><a href="release_notes_232.html">2.3.2</a></li>
<li><a href="release_notes_231.html">2.3.1</a></li>
<li><a href="release_notes_230.html">2.3.0</a></li>
<li><a href="release_notes_222.html">2.2.2</a></li>
<li><a href="release_notes_221.html">2.2.1</a></li>
<li><a href="release_notes_220.html">2.2.0</a></li>
<li><a href="release_notes_213.html">2.1.3</a></li>
<li><a href="release_notes_212.html">2.1.2</a></li>
<li><a href="release_notes_211.html">2.1.1</a></li>
<li><a href="release_notes_210.html">2.1.0</a></li>
<li><a href="release_notes_201.html">2.0.1</a></li>
<li><a href="release_notes_200.html">2.0.0</a></li>
<li><a href="release_notes_151.html">1.5.1</a></li>
<li><a href="release_notes_150.html">1.5.0</a></li>
<li><a href="release_notes_140.html">1.4.0</a></li>
<li><a href="release_notes_130.html">1.3.0</a></li>
<li><a href="release_notes_121.html">1.2.1</a></li>
<li><a href="release_notes_120.html">1.2.0</a></li>
<li><a href="release_notes_115.html">1.1.5</a></li>
<li><a href="release_notes_113.html">1.1.3</a></li>
<li><a href="release_notes_112.html">1.1.2</a></li>
<li><a href="release_notes_111.html">1.1.1</a></li>
<li><a href="release_notes_110.html">1.1.0</a></li>
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<li><a href="release_notes_090.html">0.9.0</a></li>
<li><a href="release_notes_080.html">0.8.0</a></li>
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<a href="#"><span></span>Basic concepts</a>
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<a href="#"><span></span>Model entities</a>
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<li><a href="basic-policy.html">Policy</a></li>
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<a href="#"><span></span>Checking Permissions for Resources</a>
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<li><a href="basic-signals-announcement.html">Announcement</a></li>
<li><a href="basic-enrichment.html">Signal enrichment</a></li>
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<li class="active"><a href="basic-apis.html">APIs</a></li>
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<li><a href="basic-rql.html">RQL expressions</a></li>
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