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DiceBear vs OOPSpam

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

APIDiceBearNEW—OOPSpamNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished1000 req/window · 999 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

DiceBear vs OOPSpam: common questions

Which is more reliable, DiceBear or OOPSpam?

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

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

Can I call DiceBear and OOPSpam from the browser?

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

Are DiceBear and OOPSpam free for commercial use?

DiceBear has unclear commercial terms, and OOPSpam 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.