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Photon API vs UUID Generator API

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

APIPhoton APIHEALTHY91UUID Generator APIHEALTHY91
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms710737
P95 · ms15981570
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Photon API vs UUID Generator API: common questions

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

On our scheduled checks, UUID Generator API leads on measured uptime — Photon API at 99.02% versus UUID Generator API at 100% 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, Photon API or UUID Generator API?

Photon API has the lower median latency in our checks — Photon API responds in 710 ms versus UUID Generator API at 737 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 Photon API and UUID Generator API need an API key?

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

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

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

Are Photon API and UUID Generator API free for commercial use?

Photon API has unclear commercial terms, and UUID Generator 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.