{
  "description": "Archived public API rows used in the September 13, 2026 funding comparison example. These are historical observations, not current quotes.",
  "methodologyUrl": "https://perpfinder.com/funding-rates/methodology",
  "intervalCaveat": "Original intervalSource labels are retained. The Binance adapter associates this field with a fixed 480-minute interval. The Hyperliquid row explicitly assumes 60 minutes.",
  "records": [
    {
      "venue": "Binance",
      "asset": "BTC",
      "rateType": "current",
      "methodologyVersion": 2,
      "responseGeneratedAt": "2026-09-13T10:47:56.453Z",
      "sourceUrl": "https://perpfinder.com/api/data/funding-history?asset=BTC&type=venue&venue=Binance&days=2",
      "row": {
        "t": 1789295400000,
        "sourceTimestamp": 1789295852000,
        "ingestedAt": 1789295848296,
        "rawRate": 3.304e-05,
        "rawIntervalMinutes": 480,
        "intervalSource": "venue-reported",
        "normalizedRate1h": 4.13e-06,
        "normalizedRate8h": 3.304e-05,
        "nextSettlementAt": 1789315200000,
        "openInterestUsd": null,
        "markPrice": 76783.6415,
        "indexPrice": 76806.56978261,
        "basisBps": -2.99,
        "status": "complete",
        "source": "fapi.binance.com premiumIndex"
      }
    },
    {
      "venue": "Hyperliquid",
      "asset": "BTC",
      "rateType": "current",
      "methodologyVersion": 2,
      "responseGeneratedAt": "2026-09-13T10:47:56.839Z",
      "sourceUrl": "https://perpfinder.com/api/data/funding-history?asset=BTC&type=venue&venue=Hyperliquid&days=2",
      "row": {
        "t": 1789295400000,
        "sourceTimestamp": 1789295852139,
        "ingestedAt": 1789295848296,
        "rawRate": -1.15188e-05,
        "rawIntervalMinutes": 60,
        "intervalSource": "assumed-default",
        "normalizedRate1h": -1.15188e-05,
        "normalizedRate8h": -9.21504e-05,
        "nextSettlementAt": null,
        "openInterestUsd": 2794940471.24872,
        "markPrice": 76754,
        "indexPrice": null,
        "basisBps": null,
        "status": "complete",
        "source": "perpfinder /api/data/funding-rates"
      }
    }
  ]
}