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Crypto Market Pulse

by Crypto market pulse in Onchain & crypto

x402 APIPassing, checked 3 h ago

The whole crypto perp market in one call: advancers versus decliners, mean, median and volume-weighted 24h change, total open interest and volume, top contracts by volume, the day's gainers and losers, funding extremes and BTC and ETH at a glance. Use it when an agent needs a market snapshot before deciding what to look at next.

POST https://agent402.tools/api/crypto-market-pulse

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
190 ms typical, 194 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/crypto-market-pulse" \
  -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 $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fcrypto-market-pulse
const res = await pay("https://agent402.tools/api/crypto-market-pulse", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"limit":5}),
});
console.log(await res.json());

Example input

{
  "limit": 5
}

Example output

{
  "breadth": {
    "advancers": 80,
    "advancersPct": 66.67,
    "decliners": 35,
    "meanChange24hPct": 1.42,
    "medianChange24hPct": 0.95,
    "unchanged": 5,
    "volumeWeightedChange24hPct": 0.61
  },
  "fetchedAt": "2026-08-22T12:05:00.000Z",
  "funding": {
    "meanAprPct": 8.4,
    "negative": 25,
    "positive": 90,
    "zero": 5
  },
  "highestFunding": [
    {
      "change24hPct": 8.1,
      "coin": "SOL",
      "fundingAprPct": 20.1,
      "fundingHourly": 0.0000229,
      "openInterestUsd": 500000000
    }
  ],
  "lowestFunding": [
    {
      "change24hPct": 2.06,
      "coin": "ETH",
      "fundingAprPct": -4.38,
      "fundingHourly": -0.000005,
      "openInterestUsd": 1832000000
    }
  ],
  "majors": {
    "BTC": {
      "change24hPct": 0.36,
      "fundingAprPct": 10.95,
      "markPx": 77244,
      "openInterestUsd": 2776803000,
      "volume24hUsd": 4679441788.67
    },
    "ETH": {
      "change24hPct": 2.06,
      "fundingAprPct": -4.38,
      "markPx": 2429.3,
      "openInterestUsd": 1832000000,
      "volume24hUsd": 3396726206.45
    }
  },
  "markets": {
    "counted": 120,
    "listed": 230,
    "minVolumeUsd": 1000000
  },
  "source": "hyperliquid",
  "topByVolume": [
    {
      "change24hPct": 0.36,
      "coin": "BTC",
      "fundingAprPct": 10.95,
      "markPx": 77244,
      "openInterestUsd": 2776803000,
      "volume24hUsd": 4679441788.67
    }
  ],
  "topGainers": [
    {
      "change24hPct": 8.1,
      "coin": "SOL",
      "fundingAprPct": 20.1,
      "markPx": 180.2,
      "openInterestUsd": 500000000,
      "volume24hUsd": 900000000
    }
  ],
  "topLosers": [
    {
      "change24hPct": -4.2,
      "coin": "DOGE",
      "fundingAprPct": -3.2,
      "markPx": 0.21,
      "openInterestUsd": 200000000,
      "volume24hUsd": 300000000
    }
  ],
  "totals": {
    "openInterestUsd": 9100000000,
    "top5VolumeSharePct": 71.2,
    "volume24hUsd": 12500000000
  }
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402194 ms$0.004
5 h agoPassed402204 ms$0.004
9 h agoPassed402190 ms$0.004
14 h agoPassed402185 ms$0.004