HIP-4 Outcomes - Order Book

Get HIP-4 order book

Get the latest L2 order book snapshot for a HIP-4 outcome side, or at a specific timestamp. Returns L2 depth with price, size, and order count at each level. Data available from May 2026.

get/v1/hyperliquid/hip4/orderbook/{symbol}

Request

  • Base URL: https://api.0xarchive.io
  • URL: https://api.0xarchive.io/v1/hyperliquid/hip4/orderbook/{symbol}
  • Auth: API key in header X-API-Key

Path parameters

symbolstring required
Example:0

HIP-4 coin id (e.g., 0 for outcome 0 Yes side, 1 for No side). The #-prefixed form (#0, #1) is also accepted.

Query parameters

timestampinteger

Unix timestamp in milliseconds. If not provided, returns latest snapshot.

depthinteger
Example:20

Requested price levels per side. The HIP-4 native L2 route is capped at 20 levels per side.

Response

Order book snapshot

successboolean

Example response

{
  "success": true,
  "data": {
    "symbol": "BTC",
    "coin": "BTC",
    "timestamp": "2025-01-21T10:30:45.123Z",
    "bids": [
      {
        "px": "42150.00",
        "sz": "1.5",
        "n": 15
      }
    ],
    "asks": [
      {
        "px": "42150.00",
        "sz": "1.5",
        "n": 15
      }
    ],
    "mid_price": "42150.50",
    "spread": "1.00",
    "spread_bps": "2.37"
  }
}

Changes

No recorded changes to this operation across all 1 revision of this API.