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CurrencyArchiveAPI is a free, open-source .NET 8 API with 25+ years of historical rates for 160+ currencies. All data loads in memory (~25 MB) for instant conversions, and each day’s rates are also available as JSON with source code. Features include analytics, base currency switching, and historical queries. You can self-host with the latest container images. It requires no database, ideal for developers, analysts, ML engineers, and students.
CurrencyArchiveAPI — Free & Open Source.Free Currency API with 25 years of data for 160+ currencies.
Muhammad Zeshanleft a comment
Hi everyone, I’m excited to share CurrencyArchiveAPI! Around six years ago, I wanted to explore time series analysis and ML forecasting for some niche scenarios, but I couldn’t find a complete and free dataset of historical currency data. Most APIs were paid, so I started scraping data from reliable sources and organizing it in a simple folder structure by year, month, and day, with each day’s...
CurrencyArchiveAPI — Free & Open Source.Free Currency API with 25 years of data for 160+ currencies.