FastForex API
Real-time and historical currency exchange rate REST API supporting 160+ currencies, 500+ cryptocurrencies, and 2,300+ FX trading pairs. Provides single-rate lookups, multi-rate queries, currency conversion, time-series data, bid/ask quotes, OHLC data, and WebSocket streaming.
Documentation
Documentation
https://www.fastforex.io/docs
RateLimits
https://raw.githubusercontent.com/api-evangelist/fastforex/refs/heads/main/rate-limits/fastforex-rate-limits.yml