Get Mark Price

Get the current mark price, index price, and funding rate information for futures symbols.

HTTP Request

GET /api/v1/future/market/mark-price

Request Parameters

Parameter	Type	Required	Description
symbol	string	No	Trading pair symbol (e.g., BTCUSDT). If omitted, returns all symbols

Request Example

Single Symbol Request

curl -X GET "https://open-api.bydoxe.com/api/v1/future/market/mark-price?symbol=BTCUSDT"

All Symbols Request

curl -X GET "https://open-api.bydoxe.com/api/v1/future/market/mark-price"

Response Parameters

Parameter	Type	Description
code	string	Response code
msg	string	Response message
requestTime	number	Request timestamp in milliseconds
data	object/array	Response data (object for single symbol, array for all)
> symbol	string	Trading pair symbol
> markPrice	string	Current mark price used for liquidation and unrealized PnL
> indexPrice	string	Spot index price calculated from multiple exchanges
> estimatedSettlePrice	string	Estimated settlement price for the contract
> lastFundingRate	string	Most recent funding rate applied
> interestRate	string	Interest rate component of funding rate
> nextFundingTime	number	Next funding time in milliseconds (Unix timestamp)
> ts	number	Data timestamp in milliseconds (Unix timestamp)

Response Example

Success Response (Single Symbol)

{
  "code": "00000",
  "msg": "success",
  "requestTime": 1732000000000,
  "data": {
    "symbol": "BTCUSDT",
    "markPrice": "91234.56",
    "indexPrice": "91200.12",
    "estimatedSettlePrice": "91300.00",
    "lastFundingRate": "0.0001",
    "interestRate": "0.0001",
    "nextFundingTime": 1763459280833,
    "ts": 1763459280833
  }
}

Success Response (All Symbols)

{
  "code": "00000",
  "msg": "success",
  "requestTime": 1732000000000,
  "data": [
    {
      "symbol": "BTCUSDT",
      "markPrice": "91234.56",
      "indexPrice": "91200.12",
      "estimatedSettlePrice": "91300.00",
      "lastFundingRate": "0.0001",
      "interestRate": "0.0001",
      "nextFundingTime": 1763459280833,
      "ts": 1763459280833
    },
    {
      "symbol": "ETHUSDT",
      "markPrice": "3456.78",
      "indexPrice": "3455.00",
      "estimatedSettlePrice": "3460.00",
      "lastFundingRate": "0.00015",
      "interestRate": "0.0001",
      "nextFundingTime": 1763459280833,
      "ts": 1763459280833
    }
  ]
}

Error Codes

Code	Message
40034	symbol does not exist
50010	Upstream response invalid