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api-provider
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HttpProvider
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<p><a href="https://polkadot.js.org" target="_blank"><img src="https://img.shields.io/badge/polkadot-js-orange.svg?style=flat-square" alt="polkadotjs"></a> <img src="https://img.shields.io/badge/license-ISC-lightgrey.svg?style=flat-square" alt="isc"> <a href="https://github.com/Flet/semistandard" target="_blank"><img src="https://img.shields.io/badge/code%20style-semistandard-lightgrey.svg?style=flat-square" alt="style"></a> <a href="https://www.npmjs.com/package/@polkadot/api-provider" target="_blank"><img src="https://img.shields.io/npm/v/@polkadot/api-provider.svg?style=flat-square" alt="npm"></a> <a href="https://travis-ci.org/polkadot-js/api" target="_blank"><img src="https://img.shields.io/travis/polkadot-js/api.svg?style=flat-square" alt="travis"></a> <a href="https://codeclimate.com/github/polkadot-js/api/maintainability" target="_blank"><img src="https://img.shields.io/codeclimate/maintainability/polkadot-js/api.svg?style=flat-square" alt="maintainability"></a> <a href="https://coveralls.io/github/polkadot-js/api?branch=master" target="_blank"><img src="https://img.shields.io/coveralls/polkadot-js/api.svg?style=flat-square" alt="coverage"></a> <a href="https://david-dm.org/polkadot-js/api?path=packages/api-provider" target="_blank"><img src="https://david-dm.org/polkadot-js/api.svg?style=flat-square&amp;path=packages/api-provider" alt="dependency"></a> <a href="https://david-dm.org/polkadot-js/api?path=packages/api-provider#info=devDependencies" target="_blank"><img src="https://david-dm.org/polkadot-js/api/dev-status.svg?style=flat-square&amp;path=packages/api-provider" alt="devDependency"></a></p>
<h1 id="polkadotapi-provider">@polkadot/api-provider</h1>
<p>Generic transport providers to handle the transport of method calls to and from Polkadot clients from applications interacting with it. Generally, unless you are operating at a low-level and taking care of encoding and decoding of parameters/results, it won&apos;t be directly used. API interfaces building on top these providers can support various transports with the same underlying interfaces.</p>
<h2 id="usage">Usage</h2>
<p>Installation -</p>
<pre><code>npm install --save @polkadot/api-provider
</code></pre><p>Initialisation -</p>
<pre><code class="lang-js"><span class="hljs-keyword">import</span> WsProvider <span class="hljs-keyword">from</span> <span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>;
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;http://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> version = <span class="hljs-keyword">await</span> provider.send(<span class="hljs-string">&apos;client_version&apos;</span>, []);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;clientVersion&apos;</span>, version);
</code></pre>
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