Get Exchange Information

GET /capi/v3/market/exchangeInfo

Weight(IP): 1

Request parameters

Parameter	Type	Required?	Description
symbol	String	No	Trading pair. Leave empty to return all supported contracts and assets.
contractType	String	No	Contract type. Supported values: `PERPETUAL`, `TRADIFI_PERPETUAL`.
underlyingType	String	No	Underlying asset type.
underlyingSubType	String	No	Underlying asset label. Matches if the symbol's `underlyingSubType` contains this value.

Request example

Code
curl "https://api-contract.weex.com/capi/v3/market/exchangeInfo?symbol=BTCUSDT"

Response parameters

Parameter	Type	Description
assets	Array	Collateral assets list. Each item matches the Coin object (assets[]).
rateLimits	Array	API access rate limits. Each item matches the Rate-limit object (rateLimits[]).
symbols	Array	Contract configuration list. Each item matches the Symbol object (symbols[]).

Coin object (assets[])

Field	Type	Description
asset	String	Asset symbol (collateral currency)
marginAvailable	Boolean	Whether the asset can be used as collateral

Rate-limit object (rateLimits[])

Field	Type	Description
interval	String	Rate-limit interval unit, e.g. `MINUTE`
intervalNum	Integer	Number of interval units, e.g. `1`
limit	Integer	Maximum allowed count within the interval
rateLimitType	String	Rate-limit type, e.g. `REQUEST_WEIGHT` or `ORDERS`

Symbol object (symbols[])

Field	Type	Description
symbol	String	Trading pair name (e.g. BTCUSDT)
displaySymbol	String	Trading pair display name
baseAsset	String	Base asset
quoteAsset	String	Quote asset
marginAsset	String	Margin asset
contractType	String	Contract type. Supported values: `PERPETUAL`, `TRADIFI_PERPETUAL`
underlyingType	String	Underlying asset type
underlyingSubType	Array	Underlying asset labels
pricePrecision	Integer	Price precision
quantityPrecision	Integer	Quantity precision
baseAssetPrecision	Integer	Precision for base asset quantity
quotePrecision	Integer	Precision for quote asset quantity
contractVal	Decimal	Contract size
delivery	Array	Settlement times
forwardContractFlag	Boolean	Whether the contract is USDT-margined
minLeverage	Integer	Minimum leverage
maxLeverage	Integer	Maximum leverage
buyLimitPriceRatio	Decimal	Buy-side price limit ratio
sellLimitPriceRatio	Decimal	Sell-side price limit ratio
makerFeeRate	Decimal	Contract maker fee rate
takerFeeRate	Decimal	Contract taker fee rate
apiMakerFeeRate	Decimal	Maker fee rate for orders placed through the API. This field may not be returned.
apiTakerFeeRate	Decimal	Taker fee rate for orders placed through the API. This field may not be returned.
minOrderSize	Decimal	Minimum order size (base asset)
maxOrderSize	Decimal	Maximum order size (base asset)
maxPositionSize	Decimal	Maximum position size (base asset)
marketOpenLimitSize	Decimal	Maximum market order size for opening positions (base asset)

Response example

Code
{
  "assets": [
    {
      "asset": "BTC",
      "marginAvailable": false
    },
    {
      "asset": "USDT",
      "marginAvailable": true
    }
  ],
  "rateLimits": [
    {
      "rateLimitType": "REQUEST_WEIGHT",
      "interval": "SECOND",
      "intervalNum": 10,
      "limit": 2000
    },
    {
      "rateLimitType": "ORDERS",
      "interval": "SECOND",
      "intervalNum": 10,
      "limit": 5
    }
  ],
  "symbols": [
    {
      "symbol": "BTCUSDT",
      "displaySymbol": "BTCUSDT",
      "baseAsset": "BTC",
      "quoteAsset": "USDT",
      "marginAsset": "USDT",
      "contractType": "PERPETUAL",
      "underlyingType": "COIN",
      "underlyingSubType": [
        "PoW"
      ],
      "pricePrecision": 1,
      "quantityPrecision": 6,
      "baseAssetPrecision": 3,
      "quotePrecision": 8,
      "contractVal": 0.000001,
      "delivery": [
        "00:00:00",
        "06:00:00",
        "12:00:00",
        "18:00:00"
      ],
      "forwardContractFlag": true,
      "minLeverage": 1,
      "maxLeverage": 408,
      "buyLimitPriceRatio": 0.016,
      "sellLimitPriceRatio": 0.015,
      "makerFeeRate": 0,
      "takerFeeRate": 0.001,
      "apiMakerFeeRate": 0.0002,
      "apiTakerFeeRate": 0.0008,
      "minOrderSize": 0.0001,
      "maxOrderSize": 10000,
      "maxPositionSize": 20000000,
      "marketOpenLimitSize": 12000
    }
  ]
}