Live crypto prices via CoinGecko. Pass symbol=BTC (or ETH, SOL...) or CoinGecko id=bitcoin; batch up to many with commas (symbols=BTC,ETH,SOL). Returns USD (or any vs) price, 24h change, market cap, 24h volume and last update. Built for AI agents needing crypto price, token price, spot price and market data. 加密货币实时价格行情。