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UUID Generator API vs Warnely

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

APIUUID Generator APIHEALTHY91WarnelyDYING89
Uptime · 30d
Uptime · 90d100%90.2%
Uptime · 30d100%83.3%
P50 · ms737334
P95 · ms15701375
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

UUID Generator API vs Warnely: common questions

Which is more reliable, UUID Generator API or Warnely?

On our scheduled checks, UUID Generator API leads on measured uptime — UUID Generator API at 100% versus Warnely at 90.2% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, UUID Generator API or Warnely?

Warnely has the lower median latency in our checks — UUID Generator API responds in 737 ms versus Warnely at 334 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do UUID Generator API and Warnely need an API key?

Neither needs a paid key — UUID Generator API is callable with no signup, and Warnely is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call UUID Generator API and Warnely from the browser?

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

Are UUID Generator API and Warnely free for commercial use?

UUID Generator API has unclear commercial terms, and Warnely 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.