The definitive ECB Mega-Server: 14 tools for EUR exchange rates against 40+ currencies, key interest rates (MRO, DFR, MLFR), MFI bank rates, monetary aggregates (M1/M2/M3), government bond yield curves, euro banknotes, and a universal SDMX query engine for all ECB statistical data.

ECB key policy rates: the Main Refinancing Operations rate (MRO), Deposit Facility Rate (DFR), Marginal Lending Facility, all three rates combined, and MFI bank lending/deposit rates showing monetary policy transmission across the eurozone.