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ReqRes vs ScreenshotOne.com

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

APIReqResNEW—ScreenshotOne.comNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
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 ScreenshotOne.com: common questions

Which is more reliable, ReqRes or ScreenshotOne.com?

On our scheduled checks, ScreenshotOne.com leads on measured uptime — ReqRes at —% versus ScreenshotOne.com 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 ScreenshotOne.com need an API key?

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

Can I call ReqRes and ScreenshotOne.com from the browser?

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

Are ReqRes and ScreenshotOne.com free for commercial use?

ReqRes has unclear commercial terms, and ScreenshotOne.com 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.