ECB Reference Rates
Euro foreign-exchange reference rate history for any currency.
GET
/api/v1/finance/ecb/fxData source
- ECB Data Portal APIEuropean Central Bank ·
free-with-attribution· updates Daily ~16:00 CET
Query parameters
| Parameter | Description | Try value |
|---|---|---|
currencystring required | 3-letter currency code | |
daysnumber | 1–365 (default 10) | |
apikeystring required | Your API key. Can also be sent as the X-API-Key header. | demo key used here |
Response envelope
Success: { data, meta: { sources, fetchedAt, cached } }. Errors: { error: { code, message } } with HTTP 400, 401, 404, 502, 503 or 504.