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Helius WebSockets are available through Uniblock for Solana-focused streaming workloads.

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Supported chains

  • solana
  • solana-devnet

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Endpoints

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Enhanced (Parsed Data)

  • HTTP (Validation): https://lively-dust-7404.lively-fog-f2d9.workers.dev/helius-enhanced/validate?chainId=${chainId}
  • WebSocket (WSS): wss://lively-dust-7404.lively-fog-f2d9.workers.dev/helius-enhanced?chainId=${chainId}

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Standard (RPC)

  • HTTP (Validation): https://lively-dust-7404.lively-fog-f2d9.workers.dev/helius-standard/validate?chainId=${chainId}
  • WebSocket (WSS): wss://lively-dust-7404.lively-fog-f2d9.workers.dev/helius-standard?chainId=${chainId}

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Authentication

  • Include the X-API-KEY header in both validation and connection requests.
  • Reuse the same chainId and headers when moving from validation to WSS.

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Workflow

  1. Validate against the appropriate Helius endpoint.
  2. Open the matching WSS endpoint.
  3. Send your JSON-RPC subscription payload.

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Resources