Currency Rate Source - Well Starter Kit

Description	Coverage	Reliability	Use Cases
European Central Bank	Global currencies vs EUR	Official, daily	EU-based transactions, EUR conversions
Federal Reserve System (US)	Major currencies vs USD	Official, daily	US-based transactions, USD conversions
International Monetary Fund	190+ currencies, SDR rates	Official, periodic	International reporting, SDR calculations
XE.com Exchange Rates	180+ currencies, real-time	Commercial, frequent	Live rates, consumer transactions
OANDA Exchange Rates	190+ currencies, real-time	Commercial, reliable	Trading, business conversions
Commercial Bank Rates	Limited, bank-specific	Varies by bank	Banking transactions, customer rates
Manually Entered Rates	Custom, as needed	User-dependent	Custom scenarios, historical data
Other Exchange Rate Sources	Varies	Varies	Alternative providers, legacy systems