> For the complete documentation index, see [llms.txt](https://picardy-protocol.gitbook.io/picardy-protocol-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://picardy-protocol.gitbook.io/picardy-protocol-docs/getting-started/getting-set-up/import-interface-library.md).

# Import Interface Library

{% hint style="info" %}
Tip: 

When using Picardy protocol interface library, make sure to use Version 2(V2), 

as version 1 (V1) is deprecated and no longer supported by the protocol
{% endhint %}

```
npm install @picardy-protocol/interface
```