Place Order

Create a new order, supporting both limit and market orders.

Interface Information

• Method: POST
• Path: /api/v1/stock/open-api/order

Request Parameters

Parameter	Type	Required	Description
symbol	string	Yes	Stock symbol, e.g., AAPL
side	string	Yes	Trade direction: buy-buy, sell-sell
type	string	Yes	Order type: limit-limit, market-market
price	string	Conditional	Order price (required for limit orders)
quantity	string	Yes	Order quantity: limit orders and market sell orders in shares (base coin), market buy orders in amount (quote coin)
clientOid	string	No	Client-defined order ID (for idempotency)

Request Example

{
  "symbol": "AAPL",
  "side": "buy",
  "type": "limit",
  "price": "185.50",
  "quantity": "1000",
  "clientOid": "my-order-001"
}

Response Fields

Field	Type	Description
code	int	Status code, 0 indicates success
msg	string	Status message
data	object	Response data
data.orderId	string	Order ID
data.clientOid	string	Client-defined order ID

Response Example

{
  "code": 0,
  "msg": "success",
  "data": {
    "orderId": "123456789",
    "clientOid": "my-order-001"
  }
}