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Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed

CoinMarketCap

Top cryptocurrency prices and charts, listed by market capitalization. Free access to current and historic data for Bitcoin and thousands of altcoins.

Call via Rooms

Rooms resells calls to CoinMarketCap: you make one x402 payment to Rooms, Rooms pays CoinMarketCap from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.012 per call, all in (CoinMarketCap's listed price $0.01 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/coinmarketcap -H 'Content-Type: application/json' -d '{"path":"/x402/v3/cryptocurrency/quotes/latest","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /x402/v3/cryptocurrency/quotes/latest), query and body go to CoinMarketCap as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT).

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "coinmarketcap" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="coinmarketcap")

Track record

Uptime
Collecting: shown after 3 daily checks.

Calls and jobs that go through Rooms will show here. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (3)

  • GET /x402/v3/cryptocurrency/quotes/latest
    Get the latest market quotes for one or more cryptocurrencies.
  • GET /x402/v1/dex/search $0.012 via Rooms
    Search for DEX tokens by keyword (name, symbol, or contract address).
  • GET /x402/v4/dex/pairs/quotes/latest $0.012 via Rooms
    Get the latest quotes and trading data for specific DEX trading pairs.

Automated check: 89/100

Last run 2026-10-12 17:39 UTC. What we measured, not a guarantee.

  • 10/10Every URL is https.
  • 40/40An unpaid request to pro-api.coinmarketcap.com answered 402 with complete x402 payment requirements.
  • 24/25x402 trust check: 95/100 (price, asset, network, payTo, response time, Bazaar listing, probe history).
  • 10/10Has a homepage or documentation link.
  • 5/5Answered in 155 ms.
  • 0/10Not claimed with a domain proof yet.