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Arbeitnow vs Resend

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

APIArbeitnowNEW—ResendNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree tier — API key required
Rate limit5 req/window · 4 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Arbeitnow vs Resend: common questions

Which is more reliable, Arbeitnow or Resend?

On our scheduled checks, Resend leads on measured uptime — Arbeitnow at —% versus Resend 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 Arbeitnow and Resend need an API key?

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

Can I call Arbeitnow and Resend from the browser?

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

Are Arbeitnow and Resend free for commercial use?

Arbeitnow has unclear commercial terms, and Resend 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.