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

# API Reference Overview

> Reference documentation for Light Protocol SDKs and JSON RPC methods.

<Card title="SDK Reference" icon="code" href="/api-reference/sdk">
  TypeScript and Rust client SDKs for Compressed Tokens and ZK Compression.
</Card>

<Card title="JSON RPC Methods" icon="terminal" href="/api-reference/json-rpc-methods/overview">
  Photon indexer methods for querying compressed state on Solana.
</Card>