Currencyapi vs ExchangeRate-API (open)
Same instrument, two spec sheets — measured, not claimed.
Currencyapi vs ExchangeRate-API (open): common questions
Which is more reliable, Currencyapi or ExchangeRate-API (open)?
On our scheduled checks, ExchangeRate-API (open) leads on measured uptime — Currencyapi at —% versus ExchangeRate-API (open) at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Currencyapi and ExchangeRate-API (open) need an API key?
ExchangeRate-API (open) needs no key, while Currencyapi requires a free API key. If you want to start calling without signup, reach for ExchangeRate-API (open) first.
Can I call Currencyapi and ExchangeRate-API (open) from the browser?
Yes — both Currencyapi and ExchangeRate-API (open) send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Currencyapi and ExchangeRate-API (open) free for commercial use?
Currencyapi has unclear commercial terms, and ExchangeRate-API (open) has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.