Xignite List Currencies API

Xignite List Currencies
Forex API-List Currencies from Xignite returns currencies for which spot and historical data is available. Over 29,000 historical and real-time currency pairs are covered. The API uptime is at least 99.9% and the data is updated in true real-time as new quotes are issued from market participants. Data is returned in XML, JSON, or CSV format.