Skip to main content
Alchemy WebSockets are available through Uniblock for broad multi-chain streaming support.

​
Supported chains

Alchemy supports many networks, including:
  • 1
  • 10
  • 137
  • 8453
  • 42161

​
Endpoints

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

​
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.

​
Workflow

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

​
Resources