/v1/fx/latestLatest rates for a base currency
Rates to convert one unit of `base` into every other currency (or only `symbols`). Codes are uppercase; crypto codes such as BTC and ETH are included. Any base is derived from the EUR snapshot (`rate = eur[code] / eur[base]`, ten significant digits). `date` is the day the upstream published the dataset (it updates daily); `fetchedAt` is when auma.dev last pulled it, `nextRefreshAt` when the next pull is scheduled, and `stale` turns true only if a scheduled refresh was missed. Responses carry an `ETag`: send it back as `If-None-Match` to get a 304 until the next refresh.
| Parameter | In | Description |
|---|---|---|
| base | query | Base currency code. Default: EUR. |
| symbols | query | Comma-separated list of codes to return. Unknown codes yield 404. |
curl 'https://auma.dev/v1/fx/latest?base=EUR&symbols=USD,GBP,BTC'
{
"base": "EUR",
"date": "2026-09-17",
"fetchedAt": "2026-09-17T09:30:04.118Z",
"nextRefreshAt": "2026-09-17T10:00:04.118Z",
"stale": false,
"count": 3,
"rates": {
"USD": 1.15425415,
"GBP": 0.8562203,
"BTC": 0.000015226607
},
"source": {
"name": "fawazahmed0/currency-api",
"url": "https://github.com/fawazahmed0/exchange-api",
"license": "CC0-1.0"
}
}