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ScreenURL vs Vercel API

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

APIScreenURLDEAD0Vercel APIDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
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 Vercel API: common questions

Which is more reliable, ScreenURL or Vercel API?

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

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

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

Are ScreenURL and Vercel API free for commercial use?

ScreenURL 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.