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hypernode

Real-time streaming API for every committed transaction on the HyperLiquid blockchain. Delivered via WebSocket within milliseconds of commitment.

+333ms

Median advantage over HL’s public API

100%

Asset name and user address coverage

53

Decoded action types including HIP-4

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Latency advantage

hypernode delivers transaction data before HyperLiquid’s own public API.
CoinMedian AdvantageDelivered First
BTC+313ms74%
ETH+198ms68%
SOL+276ms73%
HYPE+561ms91%
All+333ms77%
Less liquid assets show a larger advantage.

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What you get

  • Every transaction on HyperLiquid L1, decoded and enriched
  • Named JSON fields for 22 action types (order, cancel, modify, TWAP, prediction markets, transfers, governance)
  • Full asset resolution across 229 perps, 288 spot pairs, all margin variants, and prediction outcomes
  • Filtered subscriptions by action type, asset, address, or asset ID
  • HIP-4 prediction markets with metadata enrichment (question, expiry, underlying, target price)
  • Mainnet and testnet on separate endpoints

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Quick start

import WebSocket from "ws";

const ws = new WebSocket("wss://hyper.polynode.dev/ws?key=YOUR_KEY");

ws.on("open", () => {
  ws.send(JSON.stringify({ action: "subscribe" }));
});

ws.on("message", (raw) => {
  const event = JSON.parse(raw.toString());
  console.log(`[${event.block}] ${event.type} | ${event.user} | ${event.asset}`);
});

Quickstart

Connect and start streaming in 2 minutes

API Reference

Full endpoint and protocol documentation