> ## 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.

# LaserStream gRPC Guides - Helius Docs

> Learn how to decode transaction data, subscribe to accounts, monitor transactions and blocks, measure latency, and more.

Step-by-step tutorials for streaming Solana data with LaserStream gRPC. Each guide includes runnable code examples. Browse all guides in the [Guides tab](/docs/guides/overview).

<CardGroup cols={2}>
  <Card title="Decode Transaction Data" icon="binary" href="/docs/laserstream/guides/decoding-transaction-data">
    Turn raw gRPC transaction updates into readable instructions and events
  </Card>

  <Card title="Account Subscriptions" icon="wallet" href="/docs/laserstream/guides/account-subscription">
    Subscribe to account updates and handle ownership and data changes
  </Card>

  <Card title="Transaction Monitoring" icon="magnifying-glass-chart" href="/docs/laserstream/guides/transaction-monitoring">
    Watch transactions for specific programs and addresses in real time
  </Card>

  <Card title="Slot & Block Monitoring" icon="cube" href="/docs/laserstream/guides/slot-and-block-monitoring">
    Track slot progression and block production as they happen
  </Card>

  <Card title="Stream Pump AMM Data" icon="rocket" href="/docs/laserstream/guides/stream-pump-amm-data">
    Stream live Pump AMM swaps and pool activity over gRPC
  </Card>

  <Card title="Measure Latency" icon="stopwatch" href="/docs/laserstream/guides/measuring-latency">
    Benchmark end-to-end streaming latency across endpoints
  </Card>
</CardGroup>