Every central bank and tax authority the API serves, with the date of its latest published table, its age in days, a stale flag and its publication cadence. No API key. Use it to discover source codes for the other central-bank endpoints and to check freshness before citing a rate.
GET
/api/open/central-banks
curl \
--request GET 'https://allratestoday.com/api/open/central-banks'
Response examples (200)
{
"sources": [
{
"code": "ecb",
"name": "European Central Bank",
"latest": "2026-09-18",
"age_days": 1,
"stale": false,
"cadence": "daily"
},
{
"code": "hmrc",
"name": "HM Revenue & Customs",
"latest": "2026-09-01",
"age_days": 18,
"stale": false,
"cadence": "monthly"
}
]
}