汇率行情

curl -H "Authorization: Bearer wwc_live_xxx" \
  "https://wwcai.cn/api/finance/fx-rates?latest=1"

{
  "source": "中国外汇交易中心(CFETS)人民币汇率中间价",
  "date": "2026-09-11T00:00:00.000Z",
  "count": 25,
  "unit": "1 外币兑人民币",
  "rates": [
    { "currency": "USD", "pair": "USD/CNY", "rateMid": 6.7743, "officialRate": 677.43 },
    { "currency": "EUR", "pair": "EUR/CNY", "rateMid": 7.8367, "officialRate": 783.67 },
    { "currency": "JPY", "pair": "JPY/CNY", "rateMid": 0.043614, "officialRate": 4.3614 }
  ]
}