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UUID Generator API vs ValidEU API

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

APIUUID Generator APIHEALTHY91ValidEU APIHEALTHY97
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms737273
P95 · ms1570786
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

UUID Generator API vs ValidEU API: common questions

Which is more reliable, UUID Generator API or ValidEU API?

Both are neck-and-neck — UUID Generator API and ValidEU API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, UUID Generator API or ValidEU API?

ValidEU API has the lower median latency in our checks — UUID Generator API responds in 737 ms versus ValidEU API at 273 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 ValidEU API need an API key?

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

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

Neither sends browser-friendly CORS headers reliably, so call UUID Generator API and ValidEU API 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 ValidEU API free for commercial use?

UUID Generator API has unclear commercial terms, and ValidEU API 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.