{
  "service": "x-quote.cls.cn",
  "page": "https://www.cls.cn/quotation",
  "title": "大盘指数实时行情 (Index Basic)",
  "summary": "单个指数的实时快照（点位/涨跌/开高低收）。常用代码：sh000001 上证指数、sz399001 深证成指、sz399006 创业板指、sh000688 科创50、sh000300 沪深300。每个指数单独一次请求。",
  "method": "GET",
  "endpoint": "https://x-quote.cls.cn/quote/index/basic",
  "signing": {
    "required": true,
    "algorithm": "sign = md5( sha1( urlencode(sorted(params)) ) )，params 先并入固定三件套",
    "fixed_params": {
      "app": "CailianpressWeb",
      "os": "web",
      "sv": "8.4.6"
    },
    "python": "import hashlib,urllib.parse\np=dict(params); p.update({'app':'CailianpressWeb','os':'web','sv':'8.4.6'})\nqs=urllib.parse.urlencode(sorted(p.items()))\nsign=hashlib.md5(hashlib.sha1(qs.encode()).hexdigest().encode()).hexdigest()\nurl=f'{endpoint}?{qs}&sign={sign}'"
  },
  "params": {
    "secu_code": {
      "type": "string",
      "required": true,
      "description": "单个指数代码（注意是单数 secu_code，不支持逗号批量）",
      "example": "sh000001"
    }
  },
  "response": {
    "envelope": "{ code:200, data:{...} }",
    "data_fields": {
      "secu_name": "指数名称（如 上证指数）",
      "last_px": "最新点位",
      "change_px": "涨跌点数",
      "change": "涨跌幅（小数，-0.0021 = -0.21%）",
      "open_px": "开盘",
      "preclose_px": "昨收",
      "high_px": "最高",
      "low_px": "最低",
      "secu_type": "IND（指数）"
    }
  },
  "example_call": "见 signing.python，params={'secu_code':'sh000001'}",
  "caveats": [
    "必须签名，需带 Referer",
    "secu_code 是单数；多指数需多次请求",
    "盘后为收盘快照"
  ],
  "confidence": 0.9,
  "auto_discovered": true,
  "last_verified": "2026-06-17"
}