Perps Orderbook

Last 30 days

Uptime

50.0%

Response time

51 ms typical, 51 ms slowest 5%

Last check

1 h ago: Connection failed (UND_ERR_CONNECT_TIMEOUT)

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://aayatai.com/perps/orderbook?coin=BTC&levels=3&sizeUsd=100000"

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Faayatai.com%2Fperps%2Forderbook
const res = await pay("https://aayatai.com/perps/orderbook?coin=BTC&levels=3&sizeUsd=100000");
console.log(await res.json());

Example input

{
  "coin": "BTC",
  "levels": 3,
  "sizeUsd": 100000
}

Example output

{
  "asOf": "2026-09-29T23:30:00.000Z",
  "asks": [
    {
      "px": 83716,
      "sz": 6.50975
    },
    {
      "px": 83717,
      "sz": 0.09
    },
    {
      "px": 83718,
      "sz": 0.0002
    }
  ],
  "attribution": "Data from Hyperliquid's public info API (api.hyperliquid.xyz).",
  "bestAsk": 83716,
  "bestBid": 83715,
  "bids": [
    {
      "px": 83715,
      "sz": 5.49445
    },
    {
      "px": 83714,
      "sz": 0.83782
    },
    {
      "px": 83713,
      "sz": 1.45594
    }
  ],
  "bookSpanBps": {
    "asks": 2.33,
    "bids": 2.33
  },
  "bookTime": "2026-09-29T23:28:06.140Z",
  "buy": {
    "avgPx": 83716,
    "complete": true,
    "filledCoins": 1.19451479,
    "filledUsd": 100000,
    "sizeUsd": 100000,
    "slippageBps": 0.06
  },
  "coin": "BTC",
  "depthUsd": {
    "asks": {
      "within100bps": 4457024,
      "within10bps": 4457024,
      "within50bps": 4457024
    },
    "bids": {
      "within100bps": 3830099,
      "within10bps": 3830099,
      "within50bps": 3830099
    }
  },
  "mid": 83715.5,
  "sell": {
    "avgPx": 83715,
    "complete": true,
    "filledCoins": 1.19452906,
    "filledUsd": 100000,
    "sizeUsd": 100000,
    "slippageBps": 0.06
  },
  "spreadBps": 0.119,
  "venue": "hyperliquid"
}

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