Currency conversion at European Central Bank reference rates: give two currency codes (30 supported, e.g. USD, EUR, GBP, JPY) and an amount, get the rate and converted amount for the latest business day or any day in the last 90. NOTE: these ECB reference rates are published free of charge at ecb.europa.eu; they are for information only, not for transactions. $0.001 per call; an unsupported currency is not charged.

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