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

# Overview

> Reference and interactive playgrounds for all Initia APIs.

<Columns cols={2}>
  <Card title="Router API" icon="route" href="/api-reference/router-api/introduction">
    Cross-chain transfer routing for bridging tokens and NFTs across Initia
    Stack chains and external networks.
  </Card>

  <Card title="Indexer API" icon="database" href="/api-reference/rollup-indexer/introduction">
    Query indexed chain data including blocks, transactions, NFTs, and token
    holders across Initia Stack chains.
  </Card>
</Columns>