Crypto price history

Historical price, market cap, and volume time series for a coin. Granularity is automatic per CoinGecko: <=1 day = 5-min bars, 2-90 days = hourly, >90 days = daily. Days: 1, 7, 14, 30, 90, 180, 365, or "max". Returns aligned arrays of {time, price, marketCap, volume}.

Input

Example output

{
  "coin": "bitcoin",
  "currency": "usd",
  "days": "7",
  "count": 1,
  "bars": [
    {
      "time": "2026-06-13T00:00:00Z",
      "price": 66120.45,
      "marketCap": 1298000000000,
      "volume": 27400000000
    }
  ]
}

Try it - see the 402 challenge (free)

curl -i "https://agent402.tools/api/crypto-history?coin=BTC&days=7&currency=usd"

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/crypto-history?coin=BTC&days=7&currency=usd");

Part of these workflows

This tool is one step in 3 curated multi-tool workflows - agents can fetch the whole sequence as an MCP prompt or call https://agent402.tools/api/skill-packs/{slug}/prompt.

• Crypto research - Pull live price, market structure, OHLC history, trending status, global market context, and recent news for a single coin in one pass.
• Cross-asset price monitor - Side-by-side snapshot of a stock and a crypto asset: live quotes, 1-year history, and a date-stamped comparison.
• Crypto dossier - Everything about a cryptocurrency in one call: live price, 90-day history, trending status, global market context, news search, and top article extraction.

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