Current rates
One base and up to 64 selected quotes.
View referenceFX API coverage
Current rates, conversion, history, and the limits that shape each request.
Live operations
Conversion
One positive amount and one currency pair.
View referenceHistory
Genuine stored dates in pages of up to 366 days.
View referenceCoverage rules
The accepted currency set can grow without changing the contract.
| Area | Current rule |
|---|---|
| Currencies | Supported circulating ISO 4217 codes. Metals, funds, tests, and units of account are excluded. |
| Current request | One base and up to 64 unique quote currencies. |
| Historical dates | Earliest stored series begins in 1971. Most daily series begin in 1999 or 2000. |
| Missing dates | Weekends, holidays, and unavailable observations are not filled. |
| Direction | One base unit equals the returned quote rate. |
Make one FX request.
Get a free key. Choose a base and quote.