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Randommer vs ReqRes

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

APIRandommerNEW—ReqResNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Randommer vs ReqRes: common questions

Which is more reliable, Randommer or ReqRes?

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

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

Can I call Randommer and ReqRes from the browser?

Only Randommer 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 Randommer and ReqRes free for commercial use?

Randommer has unclear commercial terms, and ReqRes 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.