Billplz vs Exchangerate.dev

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

Uptime · 30d
Uptime · 90d0.0%71.6%
Uptime · 30d0.0%51.7%
P50 · ms336
P95 · ms807
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublished12 req/window · 11 remaining · resets 1783515720
In directory since2026-07-052026-07-05
operationalpartialdownno data

Billplz vs Exchangerate.dev: common questions

Which is more reliable, Billplz or Exchangerate.dev?

On our scheduled checks, Exchangerate.dev leads on measured uptime — Billplz at 0.0% 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.

Do Billplz and Exchangerate.dev need an API key?

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

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

Only Exchangerate.dev is browser-friendly — it returns CORS headers over HTTPS. Billplz needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Billplz and Exchangerate.dev free for commercial use?

Billplz 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.