# List Instruments

Endpoint: GET /trading/api/v3/Instruments
Version: 1.5.0
Security: api-key, nonce, timestamp, version, signature

## Query parameters:

  - `symbols` (array)
    Symbols to include, example: 'BTC/CHF'

  - `baseCurrencies` (array)
    Include instruments with certain base currencies, example: 'BTC'

  - `quoteCurrencies` (array)
    Include instruments with certain quote currencies, example: 'BTC'

## Header parameters:

  - `customer-number` (string, required)
    Defines which customer the request is executed for. If you manage multiple customers, this is how you switch between them. Use the _Customer Management_ API endpoints to get the customer data. Example: 'BTCS-CUS-123456'

## Response 200 fields (application/json):

  - `symbol` (string,null)

  - `minBaseIncrement` (number)

  - `minQuoteIncrement` (number)

  - `minPriceIncrement` (number)

  - `orderTypeLimits` (array,null)

  - `orderTypeLimits.orderType` (string)
    Enum: "Unknown", "Market", "Limit", "Stop", "StopLimit", "PreviouslyQuoted", "BestExecution"

  - `orderTypeLimits.timeInForce` (string)
    Enum: "Unknown", "GoodTillCancel", "ImmediateOrCancel", "FillOrKill", "GoodTilDate"

  - `orderTypeLimits.minOrderSize` (number)

  - `orderTypeLimits.maxOrderSize` (number)

  - `orderTypeLimits.minOrderSizeQuote` (number)

  - `orderTypeLimits.maxOrderSizeQuote` (number)

  - `basePrecision` (integer)

  - `quotePrecision` (integer)

  - `pricePrecision` (integer)

  - `commissions` (object,null)

  - `commissions.Unknown` (object)

  - `commissions.Unknown.Buy` (array)

  - `commissions.Unknown.Buy.side` (string)
    Enum: "Unknown", "Buy", "Sell"

  - `commissions.Unknown.Buy.volumeLimit` (number)

  - `commissions.Unknown.Buy.volumeLimitQuote` (number)

  - `commissions.Unknown.Buy.commissionPct` (number)

  - `commissions.Unknown.Buy.baseFee` (number)

  - `commissions.Unknown.Sell` (array)

  - `commissions.Market` (object)

  - `commissions.Limit` (object)

  - `commissions.Stop` (object)

  - `commissions.StopLimit` (object)

  - `commissions.PreviouslyQuoted` (object)

  - `commissions.BestExecution` (object)

  - `commissionCurrency` (string,null)

  - `commissionPrecision` (integer)

  - `classification` (string)
    Enum: "Unknown", "FiatFiat", "CryptoFiat", "CryptoCrypto"

  - `externallyTradeable` (boolean)

  - `internallyTradeable` (boolean)

  - `isTradingEnabledBuy` (boolean)

  - `isTradingEnabledSell` (boolean)

  - `isLimitOrderEnabled` (boolean)

  - `hasError` (boolean)

  - `isSynthetic` (boolean)

  - `routingSymbols` (array,null)

  - `principalLimitOrderMaxSize` (number)

  - `principalLimitOrderMaxSizeQuote` (number)

  - `agentLimitOrderMaxSize` (number)

  - `agentLimitOrderMaxSizeQuote` (number)