日内汇率 API

curl "https://api.exchangerate.dev/v1/timeseries?base=USD&symbols=JPY&interval=15m&from=2026-09-14T12:00:00Z&to=2026-09-14T12:00:00Z" -H "Authorization: Bearer YOUR_API_KEY"

{
  "result": "success",
  "base": "USD",
  "symbols": ["JPY"],
  "interval": "15m",
  "from": "2026-09-14T12:00:00Z",
  "to": "2026-09-14T12:00:00Z",
  "data": [{
    "timestamp": "2026-09-14T12:00:00Z",
    "effective_at": { "JPY": "2026-09-14T12:14:58.972181Z" },
    "rates": { "JPY": 154.582 },
    "source": "live",
    "source_type": "market",
    "market_session": "open",
    "derived_symbols": []
  }],
  "next_cursor": null,
  "has_more": false,
  "notice": "Indicative rates, not for settlement."
}