Tip：
You can create order by websocket after login.

Request

{
  "id": "XXX",
  "action": "place_order",  
  "args":  
  {  
     "clientOrderId": "XXXX",  
     "sym": "BINANCE_SPOT_BTC_USDT",  
     "side": "BUY",
     "orderType": "LIMIT",
     "timeInForce": "GTC",
     "orderQty": "1000",
     "limitPrice": "60000",
     "reduceOnly": "false"
   }  
}

Field name	Type	Necessary	Remarks
id	`String`	N	client request id
action	`String`	Y	place_order
args	`Object`	Y	request params
> clientOrderId	`String`	N	Customer defined order ID ，only support letters(a-z) and numbers(0-9)
> sym	`String`	Y	Sym(unique identifier：Exchange_Business_Base_Counter. Example: If you want to place a SPOT order for the BTC/USDT trading pair on the Binance exchange, you can use a unique identifier like this: "BINANCE_SPOT_BTC_USDT" ; If you want to place a PERPETUAL order for the BTC/USDT trading pair on the Binance exchange, you can use a unique identifier like this: "BINANCE_PERP_BTC_USDT" ; ) Note that we currently only support the SPOT and PERPETUAL trade of Binance and OKX.
> side	`String`	Y	Side(BUY, SELL)
> orderType	`String`	Y	Order type(default LIMIT, support type enums:LIMIT,MARKET)
> timeInForce	`String`	N	TimeInForce (default GTC, support type enums:GTC,IOC,FOK,GTX), GTX = GTC + Post only
> orderQty	`String`	N	Order quantity(Mandatory, unless spot market buy ) note: trading unit of OKX is the number of contracts/ trading unit of Binance is the number of coin
> limitPrice	`String`	N	Limit order price(Mandatory for limit order)
> quoteOrderQty	`String`	N	Order quote quantity, only use for spot market buy order
> reduceOnly	`String`	N	Reduce position orders only, must "true" or "false"

Response

Success example：

{
  "id": "XXXX",
  "event": "place_order",  
  "code": "0",  
  "msg": "",
  "data": {
    "orderId": "XXXXX",
    "clientOrderId": "XXXXX"
  }
}

Fail example：

{  
  "id":"***",
  "event": "error",  
  "code": "60009",  
  "msg": "CreateOrder failed."  
}

Field name	Type	Remarks
id	`String`	client request id
event	`String`	Event
code	`String`	Code
msg	`String`	Msg
data	`Object`	response data
> orderId	`String`	Order ID
> clientOrderId	`String`	Customer defined order ID