ToolVet
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Coin Ohlc

by Coin OHLC candles in Onchain & crypto

x402 APIPassing, checked 1 h ago

OHLC candles for a coin: days 1 (30-min candles), 7 or 14 (4-hour), 30 / 90 / 180 / 365 (daily), in any vs currency. Returns aligned {time, open, high, low, close} bars plus the window's high/low/first/last and % change. The candle sibling of crypto-history, which returns close-only points: use OHLC for technical indicators, range/volatility work and charting. Cached in-process for 60 seconds.

GET https://agent402.tools/api/coin-ohlc

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
190 ms typical, 190 ms slowest 5%
Last check
1 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://agent402.tools/api/coin-ohlc?coin=bitcoin&currency=usd&days=7"
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%2Fcoin-ohlc
const res = await pay("https://agent402.tools/api/coin-ohlc?coin=bitcoin&currency=usd&days=7");
console.log(await res.json());

Example input

{
  "coin": "bitcoin",
  "currency": "usd",
  "days": 7
}

Example output

{
  "bars": [
    {
      "close": 66210.3,
      "high": 66500.1,
      "low": 65900,
      "open": 66120.4,
      "time": "2026-08-15T16:00:00.000Z"
    }
  ],
  "cached": false,
  "coin": "bitcoin",
  "count": 42,
  "currency": "usd",
  "days": 7,
  "fetchedAt": "2026-08-22T13:20:00.000Z",
  "granularity": "4h",
  "source": "coingecko",
  "summary": {
    "changePct": 3.16,
    "first": 66120.4,
    "high": 69850,
    "last": 68210,
    "low": 64995.9
  }
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
1 h agoPassed402190 ms$0.008
7 h agoPassed402196 ms$0.008