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Screenshotlayer vs Watchmode

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

APIScreenshotlayerNEW—WatchmodeREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedWatchmode terms
Free tierFree — limits not publishedFree — 1,000 req/month
Rate limitUnpublished1,000 req/month (free tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Screenshotlayer vs Watchmode: common questions

Which is more reliable, Screenshotlayer or Watchmode?

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

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

Can I call Screenshotlayer and Watchmode from the browser?

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

Are Screenshotlayer and Watchmode free for commercial use?

Screenshotlayer has unclear commercial terms, and Watchmode 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.