{"sample":true,"free":true,"note":"Static example of the paid response shape (not live data). Drop sample=1 and pay via x402 for live data. Failed calls (4xx/5xx) are never charged.","path":"/crypto/kimchi-premium","price_usdc":"0.002000","pay_url":"https://kr-x402-mvp.kgy5612.workers.dev/crypto/kimchi-premium?symbols=BTC%2CETH","input_schema":{"type":"object","properties":{"symbols":{"type":"string","description":"Comma-separated filter (default BTC,ETH)","examples":["BTC,ETH","BTC"]}},"additionalProperties":false},"example":{"updated_at":"2026-10-28T03:00:00Z","usdkrw":1326.8,"upbit_usdt_krw":1340,"assets":[{"symbol":"BTC","upbit_krw":108533000,"global_usd":80867.7,"premium_pct_fx":1.15,"premium_pct_usdt":0.16},{"symbol":"ETH","upbit_krw":3162000,"global_usd":2356.1,"premium_pct_fx":1.15,"premium_pct_usdt":0.15}],"sources":["https://api.upbit.com","https://api.exchange.coinbase.com","https://api.kraken.com","https://www.bitstamp.net","https://open.er-api.com"]},"start_here":"https://kr-x402-mvp.kgy5612.workers.dev/crypto/ping"}