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Findwork vs Guerrilla Mail

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

APIFindworkNEW—Guerrilla MailNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limit4294967295 req/window · 4294967295 remaining · resets 0Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Findwork vs Guerrilla Mail: common questions

Which is more reliable, Findwork or Guerrilla Mail?

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

Guerrilla Mail needs no key, while Findwork requires a free API key. If you want to start calling without signup, reach for Guerrilla Mail first.

Can I call Findwork and Guerrilla Mail from the browser?

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

Are Findwork and Guerrilla Mail free for commercial use?

Findwork has unclear commercial terms, and Guerrilla Mail 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.