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DomainDb Info vs JSONPlaceholder

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

APIDomainDb InfoNEW—JSONPlaceholderNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished1000 req/window · 999 remaining · resets 1783509378
In directory since2026-07-052026-07-05
operationalpartialdownno data

DomainDb Info vs JSONPlaceholder: common questions

Which is more reliable, DomainDb Info or JSONPlaceholder?

On our scheduled checks, JSONPlaceholder leads on measured uptime — DomainDb Info at —% versus JSONPlaceholder 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 DomainDb Info and JSONPlaceholder need an API key?

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

Can I call DomainDb Info and JSONPlaceholder from the browser?

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

Are DomainDb Info and JSONPlaceholder free for commercial use?

DomainDb Info has unclear commercial terms, and JSONPlaceholder 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.