Perp candles (OHLCV)

OHLCV candles for one perpetual at intervals from 1m to 1M (1m 3m 5m 15m 30m 1h 2h 4h 8h 12h 1d 3d 1w 1M), newest last, with a window summary (open, close, change %, high, low, volume). limit = number of candles (default 100, max 500). Hyperliquid public data, no key.

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Input

Example output

{
  "source": "hyperliquid",
  "coin": "ETH",
  "interval": "1h",
  "count": 24,
  "candles": [
    {
      "t": "2026-08-22T11:00:00.000Z",
      "o": 2420.1,
      "h": 2431,
      "l": 2415.5,
      "c": 2429.3,
      "v": 1234.5,
      "trades": 8800
    }
  ],
  "summary": {
    "open": 2380.3,
    "close": 2429.3,
    "changePct": 2.06,
    "high": 2440,
    "low": 2370.1,
    "volume": 30000.2
  },
  "fetchedAt": "2026-08-22T12:00:00.000Z"
}

Try it - see the 402 challenge (free)

curl -i -X POST https://agent402.tools/api/perp-klines \
  -H "Content-Type: application/json" \
  -d '{"coin":"ETH","interval":"1h","limit":24}'

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

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

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/perp-klines", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "coin": "ETH",
    "interval": "1h",
    "limit": 24
  }),
});

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