{"uid":"cap_VCQzrAEVnmiwYjs3XZtA-","slug":"kimchi-premium-historical-time-series-d44c701d","name":"Kimchi Premium Historical Time Series","description":"Time series of the kimchi premium from the continuous archive, both bases, newest-last. Params: ?symbol=BTC &window=1h|6h|24h|7d|30d|90d &points=500 (max 2000) &before=<next_before>. Repeat with next_before until it is null to read a full window. Archive depth is reported as first_recorded.","url":"https://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history","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":{"points":{"type":"integer","description":"Max points returned (default 500, max 2000)"},"symbol":{"type":"string","description":"Archived tickers: BTC, ETH, XRP, SOL, DOGE, USDT"},"window":{"enum":["1h","6h","24h","7d","30d","90d"],"type":"string","description":"Lookback window (default 24h)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","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":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_muTVJ1KgT0nCtQ9tPolsW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns paginated historical time series of the kimchi premium (Korean crypto price premium) for supported assets across configurable lookback windows.","exampleAgentPrompt":"Pull the last 7 days of kimchi premium history for BTC in 500-point chunks — I want to see both bases, starting from the most recent data and paginating back through the full archive.","exampleUseCases":[{"title":"Crypto arbitrage opportunity research","prompt":"Show me the 30-day kimchi premium history for ETH — I want to see how the premium has moved over the past month to spot any recurring arbitrage patterns."},{"title":"Backtesting kimchi premium strategy","prompt":"Give me up to 2000 data points of the 90-day BTC kimchi premium archive so I can backtest a trading strategy that exploits the Korean price gap."},{"title":"Monitoring recent kimchi premium drift","prompt":"Fetch the last 6 hours of kimchi premium data for SOL with 500 points — I need to see the most recent readings to check if the premium has widened since this morning."}],"resultDescription":"Returns a newest-last ordered array of kimchi premium data points for the requested symbol and window, including both premium bases per timestamp. Also includes a next_before cursor for pagination (null when the full archive is exhausted) and a first_recorded field indicating the depth of the archive.","failureModes":["Unsupported symbol (only BTC, ETH, XRP, SOL, DOGE, USDT accepted) returns an error","points value exceeding 2000 may be rejected or capped","Invalid window enum value returns a validation error","Missing next_before pagination cursor causes duplicate or skipped data across pages","Payment failure (x402) blocks access to data","Stale archive: first_recorded may indicate limited history for newer assets"],"whenToPreferThis":"Use this endpoint when you need historical kimchi premium data across a specific lookback window with pagination support. It is the right choice for backtesting, charting trends, or auditing the full archive depth of the Korean crypto premium. Prefer the sibling percentile/z-score endpoint if you only need where the current premium sits relative to its history, and prefer this endpoint when you need the raw time series rather than a statistical summary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:21.848Z","isFirstParty":false}