{"uid":"cap_i7UR4VoyKnYrKLBssykjK","slug":"api-meckercapital-com-29ad41bc","name":"Mecker Capital Basis Trade Spread-APR History","description":"Historical spread-APR time series for one asset's basis trade (Extended × Hyperliquid). Hourly or daily aggregation, configurable lookback. Use for charting and calibrating your own funding-rate arbitrage strategy on perpetual futures.","url":"https://api.meckercapital.com/v1/basis/signal/:asset/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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","required":["asset"],"properties":{"asset":{"type":"string"}}},"queryParams":{"type":"object","properties":{"interval":{"enum":["1h","1d"],"type":"string"},"lookback_days":{"type":"integer","maximum":30,"minimum":1}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asset":{"type":"string"},"points":{"type":"array","items":{"type":"object"}},"interval":{"type":"string"},"lookback_days":{"type":"integer"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.250000","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.250000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_m5JEhGeFLIFHs8LbFKpSO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a historical time series of spread-APR for a single asset's basis trade (Extended Exchange vs Hyperliquid), with hourly or daily aggregation and configurable lookback up to 30 days.","exampleAgentPrompt":"Show me the hourly spread-APR history for ETH's basis trade between Extended and Hyperliquid over the last 14 days so I can calibrate my funding-rate arbitrage strategy.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the asset symbol, interval type (1h or 1d), lookback_days, and an array of time-series data points each representing the spread-APR at that timestamp for the cross-venue basis trade between Extended Exchange and Hyperliquid perpetuals.","failureModes":["Invalid or unsupported asset symbol returns an error","lookback_days outside range 1-30 returns a validation error","Invalid interval value (not '1h' or '1d') returns a validation error","Payment not included or insufficient results in HTTP 402 Payment Required","No data available for the requested asset/interval combination returns empty points array"],"whenToPreferThis":"Use this endpoint when you need historical time-series data of the funding rate spread-APR for a specific asset's basis trade between Extended Exchange and Hyperliquid perpetuals — ideal for charting APR evolution over time, backtesting entry/exit timing, or calibrating a delta-neutral cross-venue funding arbitrage strategy. Prefer this over the current-signal endpoint when you need historical context rather than a single real-time reading.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:40:45.300Z","isFirstParty":false}