AllRatesToday vs Fixer.io vs XE.com vs ExchangeRate-API: The 2026 Exchange Rate API Comparison Choosing an exchange rate API is a boring decision with expensive consequences. Pick one with stale data and your checkout shows prices 2% off the market. Pick...
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AllRatesToday vs Fixer.io vs XE.com vs ExchangeRate-API: The 2026 Exchange Rate API Comparison Choosing an exchange rate API is a boring decision with expensive consequences. Pick one with stale data and your checkout shows prices 2% off the market. Pick one with a tight free tier and you hit a wall the day you launch. Pick one with EUR-only base currencies and you spend the next sprint rewriting your conversion logic. This article compares the four most-searched exchange rate APIs of 2026 — AllRatesToday, Fixer.io, XE.com, and ExchangeRate-API — across the criteria that actually matter: update frequency, latency, HTTPS, currency coverage, historical data, CORS, and free-tier limits. TL;DR — Quick Comparison Table Feature AllRatesToday Fixer.io XE.com ExchangeRate-API Real-time updates Every 60s Every 60min Every 60s Every 24h Average latency ~214ms ~342ms ~471ms ~134ms HTTPS Yes No (free) Yes Yes Currencies 160+ 170+ 170+ 160+ Base currency Any EUR only Any Any Free tier Yes Limited T
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