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Resend vs Zoom

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

APIResendDEAD0ZoomDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Resend vs Zoom: common questions

Which is more reliable, Resend or Zoom?

Both are neck-and-neck — Resend and Zoom each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do Resend and Zoom need an API key?

Both ask you to authenticate — Resend uses an API key and Zoom uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Resend and Zoom from the browser?

Neither sends browser-friendly CORS headers reliably, so call Resend and Zoom from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Resend and Zoom free for commercial use?

Resend has unclear commercial terms, and Zoom 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.