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ScreenURL vs staffSign

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

APIScreenURLDEAD0staffSignDEAD0
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

ScreenURL vs staffSign: common questions

Which is more reliable, ScreenURL or staffSign?

Both are neck-and-neck — ScreenURL and staffSign 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 ScreenURL and staffSign need an API key?

Both ask you to authenticate — ScreenURL uses an API key and staffSign 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 ScreenURL and staffSign from the browser?

Neither sends browser-friendly CORS headers reliably, so call ScreenURL 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 ScreenURL and staffSign free for commercial use?

ScreenURL 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.