Exchangerate.dev vs Tomba email finder

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

Uptime · 30d
Uptime · 90d71.6%0.0%
Uptime · 30d51.7%0.0%
P50 · ms336
P95 · ms807
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit12 req/window · 11 remaining · resets 1783515720Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Exchangerate.dev vs Tomba email finder: common questions

Which is more reliable, Exchangerate.dev or Tomba email finder?

On our scheduled checks, Exchangerate.dev leads on measured uptime — Exchangerate.dev at 71.6% versus Tomba email finder at 0.0% 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 Exchangerate.dev and Tomba email finder need an API key?

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

Can I call Exchangerate.dev and Tomba email finder from the browser?

Yes — both Exchangerate.dev and Tomba email finder 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 Exchangerate.dev and Tomba email finder free for commercial use?

Exchangerate.dev has unclear commercial terms, and Tomba email finder 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.