FiatDock · Schema

PerpMarket

Paid. Perp market + funding (Hyperliquid, Binance, Bybit).

MarketplaceArtificial IntelligencePaymentsBlockchainCryptocurrencyCompany

Properties

Name	Type	Description
venue	string	The venue the markets are on (Hyperliquid)
coin	stringnull	The coin asked for, as the venue names it; null when listing the most-traded markets
markets	array	One market when a coin was named; otherwise the most-traded by 24h volume
crossVenueFunding	array	The same coin's NEXT funding on Binance and Bybit (and Hyperliquid), as Hyperliquid publishes it
source	string	Where the data came from
asOf	string	ISO time the upstream data was read
note	string	How to read the numbers, and their limits

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/fiatdock-com/json-schema/fiatdock-com-perp-market-schema.json",
  "title": "PerpMarket",
  "description": "Paid. Perp market + funding (Hyperliquid, Binance, Bybit).",
  "x-generated": "2026-11-10",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/fiatdock-com-market-api-openapi.yml#/components/schemas/PerpMarket",
  "type": "object",
  "properties": {
    "venue": {
      "type": "string",
      "description": "The venue the markets are on (Hyperliquid)"
    },
    "coin": {
      "type": [
        "string",
        "null"
      ],
      "description": "The coin asked for, as the venue names it; null when listing the most-traded markets"
    },
    "markets": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "coin": {
            "type": "string"
          },
          "markPx": {
            "type": [
              "number",
              "null"
            ]
          },
          "oraclePx": {
            "type": [
              "number",
              "null"
            ]
          },
          "midPx": {
            "type": [
              "number",
              "null"
            ]
          },
          "prevDayPx": {
            "type": [
              "number",
              "null"
            ]
          },
          "change24hPct": {
            "type": [
              "number",
              "null"
            ]
          },
          "fundingRate": {
            "type": [
              "number",
              "null"
            ],
            "description": "Funding per interval, as a decimal (0.0000125 = 0.00125%). Positive = longs pay shorts"
          },
          "intervalHours": {
            "type": "number",
            "description": "Length of one funding interval (Hyperliquid: 1)"
          },
          "fundingAprPct": {
            "type": [
              "number",
              "null"
            ],
            "description": "fundingRate x (8760 / intervalHours) x 100, not compounded"
          },
          "premium": {
            "type": [
              "number",
              "null"
            ]
          },
          "openInterest": {
            "type": [
              "number",
              "null"
            ],
            "description": "In coins"
          },
          "openInterestUsd": {
            "type": [
              "number",
              "null"
            ]
          },
          "volume24hUsd": {
            "type": [
              "number",
              "null"
            ]
          },
          "maxLeverage": {
            "type": [
              "number",
              "null"
            ]
          }
        },
        "required": [
          "coin",
          "markPx",
          "oraclePx",
          "midPx",
          "prevDayPx",
          "change24hPct",
          "fundingRate",
          "intervalHours",
          "fundingAprPct",
          "premium",
          "openInterest",
          "openInterestUsd",
          "volume24hUsd",
          "maxLeverage"
        ]
      },
      "description": "One market when a coin was named; otherwise the most-traded by 24h volume"
    },
    "crossVenueFunding": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "venue": {
            "type": "string"
          },
          "fundingRate": {
            "type": [
              "number",
              "null"
            ]
          },
          "intervalHours": {
            "type": [
              "number",
              "null"
            ]
          },
          "fundingAprPct": {
            "type": [
              "number",
              "null"
            ]
          },
          "nextFundingTime": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "required": [
          "venue",
          "fundingRate",
          "intervalHours",
          "fundingAprPct",
          "nextFundingTime"
        ]
      },
      "description": "The same coin's NEXT funding on Binance and Bybit (and Hyperliquid), as Hyperliquid publishes it"
    },
    "source": {
      "type": "string",
      "description": "Where the data came from"
    },
    "asOf": {
      "type": "string",
      "description": "ISO time the upstream data was read"
    },
    "note": {
      "type": "string",
      "description": "How to read the numbers, and their limits"
    }
  },
  "required": [
    "venue",
    "coin",
    "markets",
    "crossVenueFunding",
    "source",
    "asOf",
    "note"
  ]
}

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