| DKK | 63 | |
| EUR | 38 | |
| USD | 24 | |
| CAD | 22 |
| EUR | 147 | |
| SEK | 147 | |
| DKK | 147 | |
| USD | 146 | |
| CAD | 142 | |
| CHF | 3 |
| frankfurter | 144 | |
| yahoo | 144 |
No errors
| frankfurter | 1999+ | USD/EUR/GBP/JPY... | All ECB reference rates |
| ecb-xml | 1999+ | USD/EUR/GBP/JPY... | Full ECB XML feed |
| treasury | Quarter-end | 28 USD pairs | US Treasury Reporting Rates |
| yahoo | ~2000+ (varies) | ~55 forex pairs | Market data, varies by pair |
| boc | ~2017+ | ~30 CAD pairs | Bank of Canada Valet API |
| nbp | ~2002+ | ~35 PLN pairs | National Bank of Poland API |