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

# Solana API Reference: Complete List

> Comprehensive Solana blockchain APIs including RPC, DAS, webhooks, and data streaming. Complete reference for developers building on Solana with Helius.

### Solana RPC APIs

<CardGroup cols={2}>
  <Card title="HTTP Methods" icon="server" href="/api-reference/rpc/http-methods">
    Land transactions effectively, query blockchain data instantly, and benefit from enhanced reliability and performance.
  </Card>

  <Card title="WebSocket Methods" icon="signal-stream" href="/api-reference/rpc/websocket-methods">
    Create responsive applications by subscribing to real-time blockchain events. Eliminate polling and reduce latency in your user interfaces.
  </Card>
</CardGroup>

### Token & Transaction APIs

<CardGroup cols={2}>
  <Card title="Digital Asset Standard (DAS)" icon="hexagon-image" href="/api-reference/das">
    Access standardized token and NFT metadata with a single API call. Handles both regular and compressed NFTs automatically.
  </Card>

  <Card title="Priority Fee API" icon="star" href="/api-reference/priority-fee/getpriorityfeeestimate">
    Get recommended transaction fees based on current network conditions. Prevent timeouts and ensure timely confirmation of your transactions.
  </Card>

  <Card title="Enhanced Transactions" icon="receipt" href="/api-reference/enhanced-transactions">
    Retrieve pre-parsed transaction data in human-readable format. Save development time with structured information ready for display.
  </Card>

  <Card title="ZK Compression" icon="arrows-to-circle" href="/api-reference/zk-compression">
    Dramatically reduce account storage costs by up to 98% for on-chain data.
  </Card>
</CardGroup>

### Data Streaming APIs

<CardGroup cols={2}>
  <Card title="LaserStream gRPC" icon="bolt" href="/api-reference/laserstream-grpc">
    Stream blockchain data with ultra-low latency using lightweight clients. Apply custom filters to receive only the updates relevant to your application.
  </Card>

  <Card title="LaserStream WebSocket" icon="signal-stream" href="/api-reference/rpc/websocket-methods">
    Standard Solana WebSocket subscriptions plus Helius extensions (`transactionSubscribe`, enhanced `accountSubscribe`). Monitor accounts and receive instant transaction notifications.
  </Card>
</CardGroup>

<CardGroup cols={1}>
  <Card title="Webhooks" icon="webhook" href="/api-reference/webhooks">
    Configure instant notifications for blockchain events sent directly to your application. Eliminate the need for constant polling while maintaining data currency.
  </Card>
</CardGroup>