取得期貨合約資訊
GET/openapi/instrument/futures/list
功能：根據一個或多個期貨交易標的代碼（symbol）查詢其基本資訊。
• 速率限制：每 60 秒最多 60 次請求。
Request
Responses
- 200
- 401
- 417
- 500
OK
Unauthorized: Authentication required
A business logic error triggered when the request cannot be processed due to domain-specific constraints.
Internal Server Error.