AllTick-Official / alltick-realtime-forex-crypto-stock-tick-finance-websocket-api

AllTick real-time financial market data API with REST and WebSocket access to stocks, forex, crypto, commodities, and indices.

fawazahmed0 / exchange-api

Free Currency Exchange Rates API with 200+ Currencies & No Rate Limits

florianv / swap

PHP currency conversion library for retrieving exchange rates from 30 providers, with caching and fallback. Maintained since 2014.