Perp Funding Screener

Last 30 days

Uptime

100%

Response time

193 ms typical, 193 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-funding-screener" \
  -H "content-type: application/json" \
  -d '{"limit":5}'

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-funding-screener
const res = await pay("https://agent402.tools/api/perp-funding-screener", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"limit":5}),
});
console.log(await res.json());

Example input

{
  "limit": 5
}

Example output

{
  "fetchedAt": "2026-08-22T12:00:00.000Z",
  "highest": [
    {
      "coin": "XYZ",
      "funding8h": 0.0008,
      "fundingAprPct": 87.6,
      "fundingHourly": 0.0001,
      "markPx": 1.23,
      "openInterestUsd": 12000000,
      "volume24hUsd": 35000000
    }
  ],
  "lowest": [
    {
      "coin": "ABC",
      "funding8h": -0.0004,
      "fundingAprPct": -43.8,
      "fundingHourly": -0.00005,
      "markPx": 0.45,
      "openInterestUsd": 9000000,
      "volume24hUsd": 21000000
    }
  ],
  "minVolumeUsd": 1000000,
  "screened": 180,
  "source": "hyperliquid"
}

Security scan

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

Recent checks