WebSocket (Disk-Sync)

Overview

The Disk-Sync WebSocket feed provides raw Hyperliquid replica command hex data. This is the highest-fidelity data feed available, suitable for custom indexing, replay infrastructure, and low-level protocol analysis.

Enterprise tier only.

Endpoints

Region	URL
US (East US 2)	wss://disk.grpc.aleatoric.systems
JP (Japan East)	wss://disk-jp.grpc.aleatoric.systems

Authentication

// Via header
const ws = new WebSocket('wss://disk.grpc.aleatoric.systems', {
  headers: { 'x-api-key': 'YOUR_API_KEY' }
});

// Via query parameter
const ws = new WebSocket('wss://disk.grpc.aleatoric.systems/?api_key=YOUR_API_KEY');

Message Format

{
  "type": "replica_cmd",
  "raw_hex": "0a1f0a1d..."
}

Each message contains a raw Hyperliquid replica command in hex encoding.