> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kynesys.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# WebSDK

> The DEMOS WebSDK is a collection of tools that help you communicate with a DEMOS node.

The DEMOS WebSDK is a collection of tools that help you communicate with a DEMOS node.

## Features

<CardGroup cols={2}>
  <Card title="Authentication" icon="key" href="/sdk/websdk/authentication/overview">
    Secure authentication mechanisms including FIDO2 Passkeys
  </Card>

  <Card title="Node Calls" icon="server" href="/sdk/websdk/nodecalls">
    Make RPC calls to DEMOS nodes
  </Card>

  <Card title="Transactions" icon="arrow-right-arrow-left" href="/sdk/websdk/transactions/overview">
    Create, sign, and broadcast transactions
  </Card>

  <Card title="L2PS Privacy" icon="layer-group" href="/sdk/websdk/l2ps/overview">
    Encrypt transactions for Layer 2 Privacy Subnets
  </Card>

  <Card title="Instant Messaging" icon="message" href="/sdk/websdk/instant-messaging/overview">
    End-to-end encrypted messaging protocol
  </Card>
</CardGroup>

## Getting Started

New to the WebSDK? Start with [Authentication](/sdk/websdk/authentication/overview) to learn how to connect your wallet and interact with the DEMOS Network.