AllRatesToday Daily Reference Rate: one immutable mid-market USD table per business day, fixed at 16:00 Europe/London as the per-currency median of five once-a-minute samples (15:57:30–16:02:30). Never revised. Not the WM/Refinitiv fix and not a registered benchmark; for index calculation, research and reporting. Methodology: https://allratestoday.com/reference-rate/ One point per published business day. Billed one API call per month of range.
GET
/api/v1/reference-rate/history
curl \
--request GET 'https://allratestoday.com/api/v1/reference-rate/history' \
--header "Authorization: Bearer $ACCESS_TOKEN"
Response examples (200)
{
"base": "string",
"quote": "string",
"from": "string",
"to": "string",
"count": 42,
"points": [
{
"rate_date": "2026-05-04",
"value": 42.0
}
]
}