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Guerrilla Mail vs Himalayas

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

APIGuerrilla MailNEW—HimalayasNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Guerrilla Mail vs Himalayas: common questions

Which is more reliable, Guerrilla Mail or Himalayas?

On our scheduled checks, Himalayas leads on measured uptime — Guerrilla Mail at —% versus Himalayas at —% 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 Guerrilla Mail and Himalayas need an API key?

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

Can I call Guerrilla Mail and Himalayas from the browser?

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

Are Guerrilla Mail and Himalayas free for commercial use?

Guerrilla Mail has unclear commercial terms, and Himalayas 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.