{"uid":"cap_VxmIZBQPndL8blZECkOBh","slug":"upbit-kimchi-premium-data-d4a29926","name":"Upbit Kimchi Premium Data","description":"Pay-per-call crypto microdata for trading/onchain AI agents via x402 (USDC on Base): Base gas, token risk, balances, multi-venue prices, Hyperliquid book/funding, kimchi premium. No API keys.","url":"https://kr-x402-mvp.kgy5612.workers.dev/api/upbit/kimchi-premium?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"symbols":{"type":"string","examples":["BTC,ETH","BTC"],"description":"Comma-separated filter (default BTC,ETH)"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"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}],"usdkrw":1326.8,"sources":["https://api.upbit.com","https://api.exchange.coinbase.com","https://api.kraken.com","https://www.bitstamp.net","https://open.er-api.com"],"updated_at":"2026-10-28T03:00:00Z","upbit_usdt_krw":1340}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_w59GJDzUVlphipN1eIHZA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the kimchi premium (price gap between Korean Upbit and global exchanges) for BTC, ETH, or other specified crypto symbols, including KRW/USD FX rates and USDT-based premium percentages.","exampleAgentPrompt":"What's the current kimchi premium for BTC and ETH — how much higher is the Upbit KRW price compared to global exchanges, and what's today's USD/KRW rate?","exampleUseCases":[{"title":"Kimchi arbitrage opportunity scanner","prompt":"Check the kimchi premium for BTC and ETH right now and tell me if either is above 1.5% — I'm looking for potential arbitrage between Korean and global crypto markets."},{"title":"Korean market sentiment gauge","prompt":"What's the current kimchi premium for Bitcoin? A high premium usually signals strong Korean retail demand, so I want to track it as a sentiment indicator."},{"title":"FX-adjusted crypto price comparison","prompt":"Pull the latest Upbit price for ETH in KRW and show me how it compares to the global USD price after adjusting for the current exchange rate."}],"resultDescription":"Returns a JSON object with an `assets` array containing each symbol's Upbit KRW price, global USD price, FX-adjusted premium percentage, and USDT-based premium percentage. Also includes the current USD/KRW rate, the Upbit USDT/KRW implied rate, the data sources used, and a timestamp of when the data was last updated.","failureModes":["Upstream exchange API unavailability (Upbit, Coinbase, Kraken, Bitstamp) may cause stale or missing data","FX rate provider (open.er-api.com) downtime may affect premium calculations","Invalid or unsupported symbol in the `symbols` query param may return empty assets array","Payment failure via x402/USDC on Base will block the request before data is returned","Worker cold-start or rate-limiting on Cloudflare may cause intermittent latency spikes"],"whenToPreferThis":"Choose this endpoint when you need real-time kimchi premium data (Korean crypto market price premium) for BTC, ETH, or other tokens available on Upbit, particularly when building arbitrage scanners, market sentiment dashboards, or cross-exchange price comparison tools. It requires no API key and is paid micro-per-call via x402/USDC on Base, making it ideal for AI agents that need on-demand access without subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:34.367Z","isFirstParty":false,"canonicalSlug":"upbit-kimchi-premium-data-d4a29926"}