{"name":"arbitrage-spread","description":"Cross-exchange arbitrage spread / max-min price / CEX price dispersion / spread % calculator. For any CoinGecko-listed coin, pulls every tracked exchange ticker, computes the lowest and highest USD-converted prices, the spread %, and identifies which exchanges sit at each extreme plus the highest-volume venue. Filters out stale or anomalous tickers.","price":"$0.005","method":"POST","input_schema":{"properties":{"coingecko_id":{"type":"string","description":"CoinGecko coin id (e.g. 'ethereum', 'bitcoin')."},"target":{"type":"string","description":"Quote currency to filter for (e.g. 'USDT'). Optional — converted USD prices are used regardless."}},"required":["coingecko_id"]},"input_example":{"coingecko_id":"ethereum"},"output_example":{"coingecko_id":"ethereum","ticker_count":132,"min_price_usd":3279.01,"max_price_usd":3291.45,"spread_pct":0.3793,"lowest_price_exchange":"Kraken","highest_price_exchange":"Bitstamp","top_exchange_by_volume":"Binance","top_volume_usd":521343222,"source":"coingecko"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}