Guerrilla Mail vs Nager.Date

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

Uptime · 30d
Uptime · 90d95.1%100%
Uptime · 30d98.3%100%
P50 · ms29856
P95 · ms1685553
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Guerrilla Mail vs Nager.Date: common questions

Which is more reliable, Guerrilla Mail or Nager.Date?

On our scheduled checks, Nager.Date leads on measured uptime — Guerrilla Mail at 95.1% versus Nager.Date 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, Guerrilla Mail or Nager.Date?

Nager.Date has the lower median latency in our checks — Guerrilla Mail responds in 298 ms versus Nager.Date at 56 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 Guerrilla Mail and Nager.Date need an API key?

Neither needs a paid key — Guerrilla Mail is callable with no signup, and Nager.Date is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Guerrilla Mail and Nager.Date from the browser?

Yes — both Guerrilla Mail and Nager.Date 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 Guerrilla Mail and Nager.Date free for commercial use?

Guerrilla Mail has unclear commercial terms, and Nager.Date 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.