FX rates
FX rates against the dollar, every day.
Daily closes against the US dollar for the currencies listed US stocks report in, plus the majors — full history or the rate on any date — through the API on Pro and Unlimited.
- Daily closes vs USD
- Decades of history
- JSON API
EUREUR · USD per 1 EUR
1.2178+6.9%
Illustrated USD per EUR — not live rates.
API
FX rates (Pro)
Same paths and fields as the live API. Every data GET needs client_id and client_secret.
GET/api/v1/families/fx/rates?currencies=TWD,DKK,EUR&date=2026-09-25
Request
curl -sS -u "$CLIENT_ID:$CLIENT_SECRET" \
https://barquant.dev/api/v1/families/fx/rates?currencies=TWD,DKK,EUR&date=2026-09-25200Sample response
{
"family": "fx-rates",
"base": "USD",
"as_of": "2026-09-26",
"computed_at": "2026-09-26T22:10:00Z",
"mode": "as_of",
"date": "2026-09-25",
"requested": [
"TWD",
"DKK",
"EUR"
],
"currencies": {
"TWD": {
"currency": "TWD",
"pair": "TWDUSD",
"quote": "USD per 1 TWD",
"inverse_quote": "TWD per 1 USD",
"source_pair": "USDTWD",
"first": "1983-10-03",
"last": "2026-09-25",
"rate": {
"date": "2026-09-25",
"usd_per_unit": 0.031550718,
"units_per_usd": 31.695
}
},
"DKK": {
"currency": "DKK",
"pair": "DKKUSD",
"quote": "USD per 1 DKK",
"inverse_quote": "DKK per 1 USD",
"source_pair": "DKKUSD",
"first": "2003-12-01",
"last": "2026-09-25",
"rate": {
"date": "2026-09-25",
"usd_per_unit": 0.152,
"units_per_usd": 6.5789474
}
},
"EUR": {
"currency": "EUR",
"pair": "EURUSD",
"quote": "USD per 1 EUR",
"inverse_quote": "EUR per 1 USD",
"source_pair": "EURUSD",
"first": "1971-01-04",
"last": "2026-09-25",
"rate": {
"date": "2026-09-25",
"usd_per_unit": 1.13911,
"units_per_usd": 0.87787834
}
}
},
"pending": []
}© 2026–2035 Barquant