Coin Details

curl "https://mcp.f1ow.com/v1/market/coins/bitcoin" \
  -H "Authorization: Bearer $F1OW_API_KEY"

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "market_coin_details",
    "arguments": {
      "coin_id": "bitcoin"
    }
  }
}

const res = await fetch("https://mcp.f1ow.com/v1/market/coins/bitcoin", {
  headers: { Authorization: `Bearer ${process.env.F1OW_API_KEY}` },
});
const data = await res.json(); // the tool's result as JSON, typed in the OpenAPI spec
console.log(data);

import os, requests

res = requests.get(
    "https://mcp.f1ow.com/v1/market/coins/bitcoin",
    headers={"Authorization": f"Bearer {os.environ['F1OW_API_KEY']}"},
)
data = res.json()  # the tool's result as JSON, typed in the OpenAPI spec
print(data)

// wss://mcp.f1ow.com/v1/ws — subprotocol "jsonrpc-2.0", Authorization: Bearer <key>
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "market_coin_details",
    "arguments": {
      "coin_id": "bitcoin"
    }
  }
}

// Or push a fresh result whenever it changes (minimum interval 15 s)
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "subscriptions/subscribe",
  "params": {
    "name": "market_coin_details",
    "arguments": {
      "coin_id": "bitcoin"
    },
    "intervalSeconds": 60
  }
}

# No account: the first call answers 402 with a PAYMENT-REQUIRED challenge;
# an x402 client pays it in USDC on Base and retries.
curl "https://mcp.f1ow.com/x402/v1/market/coins/bitcoin"

Bitcoin (BTC)
Bitcoin is the world's first decentralized cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto. It enables peer-to-peer electronic cash transactions without intermediaries like banks or governments, operating on a blockchain secured by Proof of Work mining and the SHA-256 cryptographic algorithm. 

With a fixed supply cap of 21 million coins and programmatic halvings every four ye...

Price: $68623.00 | 24h: -6.77% | MCap: $1.38T
ATH: $126080.00 | ATL: $67.8100
Homepage: http://www.bitcoin.org

{
  "athUsd": 126080,
  "atlUsd": 67.81,
  "change24hPct": -6.7651,
  "description": "Bitcoin is the world's first decentralized cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto. It enables peer-to-peer electronic cash transactions without intermediaries like banks or governments, operating on a blockchain secured by Proof of Work mining and the SHA-256 cryptographic algorithm. \n\nWith a fixed supply cap of 21 million coins and programmatic halvings every four ye…",
  "homepage": "http://www.bitcoin.org",
  "id": "bitcoin",
  "marketCapUsd": 1379930220362,
  "name": "Bitcoin",
  "priceUsd": 68623,
  "symbol": "BTC",
  "generatedAt": "2026-11-13T08:05:38.7785282+00:00"
}