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ReqRes vs Scrnify

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

APIReqResNEW—ScrnifyNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ReqRes vs Scrnify: common questions

Which is more reliable, ReqRes or Scrnify?

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

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

Can I call ReqRes and Scrnify from the browser?

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

Are ReqRes and Scrnify free for commercial use?

ReqRes has unclear commercial terms, and Scrnify 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.