> For the complete documentation index, see [llms.txt](https://signum-network.gitbook.io/signumjs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://signum-network.gitbook.io/signumjs/reference/api-reference/core-module.md).

# Core Module

### Installation

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

```
npm i @signumjs/core
```

{% endtab %}

{% tab title="yarn" %}

```
yarn add @signumjs/core
```

{% endtab %}

{% tab title="<script/>" %}

```html
<script src='https://cdn.jsdelivr.net/npm/@signumjs/core/dist/signumjs.min.js'></script>
```

The namespace is `sig$`

```javascript
const api = sig$.composeApi({
    nodeHost: 'https://localhost:6876'
});
```

{% endtab %}
{% endtabs %}

### API Reference

{% embed url="<https://signum-network.github.io/signumjs/modules/core.html>" %}