BriefTape vs Exchange Rates API
Same instrument, two spec sheets — measured, not claimed.
BriefTape vs Exchange Rates API: common questions
Which is more reliable, BriefTape or Exchange Rates API?
On our scheduled checks, Exchange Rates API leads on measured uptime — BriefTape at 99.02% versus Exchange Rates API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, BriefTape or Exchange Rates API?
Exchange Rates API has the lower median latency in our checks — BriefTape responds in 1021 ms versus Exchange Rates API at 810 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do BriefTape and Exchange Rates API need an API key?
Exchange Rates API needs no key, while BriefTape requires a free API key. If you want to start calling without signup, reach for Exchange Rates API first.
Can I call BriefTape and Exchange Rates API from the browser?
Yes — both BriefTape and Exchange Rates API 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 BriefTape and Exchange Rates API free for commercial use?
BriefTape has unclear commercial terms, and Exchange Rates API 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.