> For the complete documentation index, see [llms.txt](https://docs.connext.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.connext.network/developers/reference.md).

# Reference

The Connext SDK allows developers to interact with the Connext protocol in standard Node.js or web environments.

{% tabs %}
{% tab title="npm" %}

<pre class="language-bash"><code class="lang-bash"><strong>npm install @connext/sdk
</strong></code></pre>

{% endtab %}

{% tab title="yarn" %}

<pre class="language-bash"><code class="lang-bash"><strong>yarn install @connext/sdk
</strong></code></pre>

{% endtab %}
{% endtabs %}
