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DownStatus vs Vercel API

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

APIDownStatusNEW—Vercel APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API key (per docs)Free tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DownStatus vs Vercel API: common questions

Which is more reliable, DownStatus or Vercel API?

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

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

Can I call DownStatus and Vercel API from the browser?

Yes — both DownStatus and Vercel API 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 DownStatus and Vercel API free for commercial use?

DownStatus has unclear commercial terms, and Vercel API 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.