足迹
GET /openapi/market-data/stock/footprint
• 功能說明：根據股票代碼及時間粒度查詢最近N筆足跡圖資料。
• 頻次限制：行情介面速率限制為每分鐘600個請求。
Request
Unauthorized: Authentication required
A business logic error triggered when the request cannot be processed due to domain-specific constraints.