取得期貨產品分類
GET/openapi/instrument/futures/product-classes
查詢所有期貨標的產品及其對應的產品代碼，並以列表形式返回。
• 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.