BriefTape vs Exchangerate.dev

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d99.02%71.6%
Uptime · 30d98.3%51.7%
P50 · ms1021336
P95 · ms4409807
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limit10000 req/window · 9381 remaining · resets 178355520012 req/window · 11 remaining · resets 1783515720
In directory since2026-07-052026-07-05
operationalpartialdownno data

BriefTape vs Exchangerate.dev: common questions

Which is more reliable, BriefTape or Exchangerate.dev?

On our scheduled checks, BriefTape leads on measured uptime — BriefTape at 99.02% versus Exchangerate.dev at 71.6% 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 Exchangerate.dev?

Exchangerate.dev has the lower median latency in our checks — BriefTape responds in 1021 ms versus Exchangerate.dev at 336 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 Exchangerate.dev need an API key?

Exchangerate.dev needs no key, while BriefTape requires a free API key. If you want to start calling without signup, reach for Exchangerate.dev first.

Can I call BriefTape and Exchangerate.dev from the browser?

Yes — both BriefTape and Exchangerate.dev 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 Exchangerate.dev free for commercial use?

BriefTape has unclear commercial terms, and Exchangerate.dev 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.