{
  "name": "ECB FX Rates API",
  "description": "Free, attribution-only euro foreign-exchange reference rates with any base currency.",
  "attribution": "Rates: European Central Bank (ECB) euro reference rates. https://www.ecb.europa.eu",
  "endpoints": {
    "/latest": "Latest rates. Params: base (default EUR), symbols (csv).",
    "/historical/{YYYY-MM-DD}": "Rates on/just before a date. Params: base, symbols.",
    "/convert": "Convert. Params: from, to, amount (default 1), date (optional).",
    "/timeseries": "Range of daily rates. Params: start, end, base, symbols. Max 366 days.",
    "/symbols": "Supported currencies.",
    "/health": "Service health."
  }
}