Daily Currency Exchange Rates       About
The Daily Currency Exchange Rates site incorporates data from the following sources:

ecb-daily European Central Bank API EURdaily rates at 3pm CET
snb-daily Swiss National Bank API CHFdaily rates at 11am CET
boi-daily Bank of Israel API ILSdaily rates
cbr-daily Central Bank of the Russian Federation API RUBdaily rates
bav-24hr BitcoinAverage Price Index API XBT24 hour moving average