ecb

Access the deep historical exchange rate archive with data going back to January 1999, sourced from the European Central Bank. Retrieve rates for any single date in the archive by providing it in the URL path. Supports base currency and symbol filtering. Ideal for academic research, long-term trend analysis, historical financial reporting, and apps that need exchange rates from specific past events.

Retrieve exchange rates for every day within a historical date range from the ECB archive (back to 1999). Returns daily rates for the specified base and target currencies across the entire range. Perfect for building long-term exchange rate charts, academic datasets, economic history visualizations, and backtesting financial models across months or years of data.