LaserStream

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What is LaserStream?

LaserStream is a next-generation streaming service purpose-built for developers who need reliable, low-latency Solana data. It delivers on-chain events (transactions, slots, blocks, accounts, and more) directly to your application with industry-leading reliability, performance, and flexibility. Similar to our gRPC offerings, LaserStream nodes tap directly into Solana leaders to receive shreds as they’re produced, delivering ultra-low latency data to your application.

Unlike standard Solana RPC nodes, LaserStream is specifically designed for streaming use cases, offering features not available in conventional node setups:

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Easy Migration

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Using Existing gRPC Code

If you already use Yellowstone gRPC, migrating to LaserStream is as simple as:

// Before: Using standard Yellowstone gRPC
const connection = new GeyserConnection(
  "your-current-endpoint.com",
  { token: "your-current-token" }
);

// After: Using LaserStream (just change endpoint and token)
const connection = new GeyserConnection(
  "https://laserstream-mainnet-ewr.helius-rpc.com", // Choose your closest region
  { token: "your-helius-api-key" }
);

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Enhanced Experience with the LaserStream SDK

While LaserStream works with your existing code, we highly recommend using our LaserStream SDK for enhanced capabilities:

// Using the dedicated LaserStream SDK
import { subscribe, CommitmentLevel, LaserstreamConfig } from 'helius-laserstream';

const config = {
  apiKey: "your-helius-api-key",
  endpoint: "https://laserstream-mainnet-ewr.helius-rpc.com" // Choose your closest region
};

// The SDK automatically handles:
// - Connection management
// - Reconnection with backoff
// - Historical replay after disconnects
// - Subscription management
await subscribe(config, subscriptionRequest, handleData, handleError);

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Key Features

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Automatic Reconnection & Catch-up

The LaserStream SDK automatically handles dropped connections, network issues, and data gaps. When a reconnection occurs, the SDK automatically:

• Reconnects with minimal delay
• Re-streams any data that was missed during the downtime
• Continues streaming without intervention

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Multi-Protocol Support

LaserStream is designed with multi-protocol support in mind:

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Advanced Filtering

LaserStream supports sophisticated filtering options:

• Account Filtering: Include, exclude, or require specific accounts
• Transaction Types: Filter by transaction status, vote transactions, etc.
• Commitment Levels: Choose from processed, confirmed, or finalized
• Data Content: Request specific data fields or full data

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Extreme Scalability

• Load Balancing: Connections distributed across multiple nodes
• Auto-scaling: Backend resources scale to match demand
• Efficient Routing: Requests automatically routed to the most responsive node

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Endpoints & Regions

LaserStream is available in multiple regions worldwide for optimal performance. Choose the endpoint closest to your application’s location:

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Mainnet Endpoints

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Devnet Endpoint

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Authentication & Availability

LaserStream uses your Helius API key for authentication. You can obtain your API key from the Helius Dashboard. Your API key serves as both your authentication token and grants access to LaserStream’s enhanced features.

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Getting Started

For applications that need to catch up on historical data or implement fault-tolerant connections:

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When to Use LaserStream vs. Other Solana Streaming Options

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Next Steps

For more information, join the discussion on our Discord or Telegram.

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Attribution

LaserStream is a custom fork of Richat project.