
Open Exchange Rates serves current and historical foreign exchange rates for around 200 currencies over a JSON API.
Rates are aggregated market mid-rates intended for display, conversion, and reporting rather than for settling trades. Endpoints cover latest rates, a specific historical date, and time series. Update frequency depends on the plan, ranging from hourly to more frequent.
FintechToolkit records the source behind core directory claims. This profile’s sources were last captured on . Validate time-sensitive commercial, regulatory, and availability details directly with the provider.

Real-time and historical market data for stocks, options, forex, and crypto over low-latency websockets.

Real-time market data, fundamentals, and alternative data with a usable free tier.

Stock, forex, and crypto data over REST and websockets, with a generous free tier.