{"message":"Vietnam Gold Price API","docs":"/docs","endpoints":{"get_price_by_date":"/api/gold-price?date=YYYYMMDD","get_price_range":"/api/gold-price/range?start=YYYYMMDD&end=YYYYMMDD","get_latest":"/api/gold-price/latest","get_stats":"/api/stats","get_locations":"/api/locations","get_gold_types":"/api/gold-types"}}