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DownStatus vs staffSign

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

APIDownStatusDYING73staffSignDEAD0
Uptime · 30d
Uptime · 90d60.8%0.0%
Uptime · 30d33.3%0.0%
P50 · ms589—
P95 · ms1295—
AuthnoneapiKey
CORSnono
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 staffSign: common questions

Which is more reliable, DownStatus or staffSign?

On our scheduled checks, DownStatus leads on measured uptime — DownStatus at 60.8% versus staffSign at 0.0% 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 staffSign need an API key?

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

Can I call DownStatus and staffSign from the browser?

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

Are DownStatus and staffSign free for commercial use?

DownStatus has unclear commercial terms, and staffSign 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.