بيتكوين

curl "https://metalapi.com/api/v1/latest?api_key=YOUR_API_KEY&base=USD&currencies=BTC"

{
  "success": true,
  "base": "USD",
  "rates": {
    "BTC": 0.00001245089935,
    "USDBTC": 80315.48339
  }
}