ToolVet
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Perp Markets

by Perp markets snapshot in Markets & finance

x402 APIPassing, checked 3 h ago

Every listed perpetual futures market in one call: mark, oracle and mid price, 24-hour change, funding (hourly, 8-hour, annualized), open interest in coins and dollars, 24-hour notional volume and max leverage, sortable by volume, open interest, funding or change. Use it as the one-shot market map before drilling into a single symbol.

POST https://agent402.tools/api/perp-markets

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
198 ms typical, 198 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/perp-markets" \
  -H "content-type: application/json" \
  -d '{"limit":10}'
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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fperp-markets
const res = await pay("https://agent402.tools/api/perp-markets", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"limit":10}),
});
console.log(await res.json());

Example input

{
  "limit": 10
}

Example output

{
  "count": 2,
  "fetchedAt": "2026-08-22T12:00:00.000Z",
  "markets": [
    {
      "change24hPct": 0.39,
      "coin": "BTC",
      "funding8h": 0.0001,
      "fundingAprPct": 10.95,
      "fundingHourly": 0.0000125,
      "markPx": 77267,
      "maxLeverage": 40,
      "openInterest": 35935.67,
      "openInterestUsd": 2776803000,
      "oraclePx": 77236,
      "premiumPct": 0.0388,
      "volume24hUsd": 4679441788.67
    }
  ],
  "sort": "volume",
  "source": "hyperliquid",
  "totalMarkets": 230
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402198 ms$0.003