Crypto price

Live crypto prices for one or many coins in any vs_currency (usd, eur, btc, eth, etc). Returns last price, 24h change %, 24h volume, and market cap per coin. The simplest crypto price read - for ranked market-cap tables use crypto-market, for candles use crypto-history, and when you need an oracle-grade price with a confidence interval use price-pyth. Accepts ticker symbols (BTC, ETH, SOL) for the top ~50 by market cap, or canonical CoinGecko ids (e.g. "render-token") for any of the ~15k tracked coins. Batched: up to 25 coins per call. Backed by CoinGecko's public API - keyless.

Input

Example output

{
  "currency": "usd",
  "count": 3,
  "coins": {
    "bitcoin": {
      "price": 67234.12,
      "change24hPct": 1.42,
      "volume24h": 28100000000,
      "marketCap": 1320000000000,
      "lastUpdated": "2026-06-20T00:30:00Z"
    },
    "ethereum": {
      "price": 3520.45,
      "change24hPct": 2.18,
      "volume24h": 14200000000,
      "marketCap": 423000000000,
      "lastUpdated": "2026-06-20T00:30:00Z"
    },
    "solana": {
      "price": 148.2,
      "change24hPct": -0.65,
      "volume24h": 2400000000,
      "marketCap": 68000000000,
      "lastUpdated": "2026-06-20T00:30:00Z"
    }
  }
}

Try it - see the 402 challenge (free)

curl -i "https://agent402.tools/api/crypto-price?coins=BTC%2CETH%2CSOL&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-price?coins=BTC%2CETH%2CSOL&currency=usd");

Part of these workflows

This tool is one step in 9 curated multi-tool workflows - agents can fetch the whole sequence as an MCP prompt or call https://agent402.tools/api/skill-packs/{slug}/prompt.

• DeFi protocol scanner - Due-diligence a DeFi protocol in one workflow: live token price, market context, protocol TVL across chains, and recent news - the on-chain and off-chain picture together.
• Crypto market brief - Quick crypto market snapshot: price for a specific coin, trending coins, and global market stats (total cap, BTC dominance, volume) - one call.
• 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.
• Cheapest rail right now - Where should an agent transact this minute? Live gas on Ethereum + every major L2 side by side, Base gas tiers, a fee estimate for your transaction type, and ETH spot to price it all in dollars.
• 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.
• DeFi dashboard - DeFi market overview: total TVL, ETH price, Base gas, and global crypto stats in one call.
• NFT portfolio - NFT + wallet snapshot: NFT holdings, native balance, and ETH price for a given address in one call.
• Gas optimizer - Find the cheapest gas right now: Base gas, Ethereum gas, Base fee estimate, and ETH price for USD conversion.

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