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InternetDB API vs JSONPlaceholder

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

APIInternetDB APINEW—JSONPlaceholderNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
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

InternetDB API vs JSONPlaceholder: common questions

Which is more reliable, InternetDB API or JSONPlaceholder?

On our scheduled checks, JSONPlaceholder leads on measured uptime — InternetDB API 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 InternetDB API and JSONPlaceholder need an API key?

Neither needs a paid key — InternetDB API 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 InternetDB API and JSONPlaceholder from the browser?

Yes — both InternetDB API and JSONPlaceholder send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are InternetDB API and JSONPlaceholder free for commercial use?

InternetDB API 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.