Exchangerate.host
Free foreign exchange & crypto rates API
Currency Exchange APIs
12 free APIs with no signup and no API key. Data from public-apis (MIT).
api-mint
Free utility APIs: timezone, forex rates, crypto prices, page metadata
Bank of Russia
Exchange rates and currency conversion
Currency-api
Free Currency Exchange Rates API with 150+ Currencies & No Rate Limits
Czech National Bank
A collection of exchange rates
Economia.Awesome
Portuguese free currency prices and conversion with no rate limits
Exchangerate.dev
Live & historical FX, 168 pairs back to 1999, Frankfurter-compatible, free 10k/mo
Frankfurter
Exchange rates, currency conversion and time series
FreeForexAPI
Real-time foreign exchange rates for major currency pairs
National Bank of Poland
A collection of currency exchange rates (data in XML and JSON)
paralelo.bo
Bolivia parallel-market USD/BOB exchange rate, aggregated from P2P sources every 60s
VATComply.com
Exchange rates, geolocation and VAT number validation
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