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PageBolt vs ScreenURL

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

APIPageBoltNEW—ScreenURLNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
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

PageBolt vs ScreenURL: common questions

Which is more reliable, PageBolt or ScreenURL?

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

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

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

Are PageBolt and ScreenURL free for commercial use?

PageBolt has unclear commercial terms, and ScreenURL 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.