券商 API訂單 訂單查詢 取得訂單詳情取得訂單詳情 GET /broker/orders/get 透過訂單 ID 擷取特定交易的訂單詳情。 Request Responses200401417500OKUnauthorized: Authentication requiredA business logic error triggered when the request cannot be processed due to domain-specific constraints.Internal Server Error.