未成交訂單
GET /openapi/trade/order/open
• 功能說明：分頁查詢待處理訂單，並可根據client_order_id修改或取消訂單。
• 頻次限制: 速率限制每2秒40個請求
Request
Unauthorized: Authentication required
A business logic error triggered when the request cannot be processed due to domain-specific constraints.