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JSONPlaceholder vs Keyvalue

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

APIJSONPlaceholderNEW—KeyvalueNEW—
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 limit1000 req/window · 999 remaining · resets 1783509378Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

JSONPlaceholder vs Keyvalue: common questions

Which is more reliable, JSONPlaceholder or Keyvalue?

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

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

Can I call JSONPlaceholder and Keyvalue from the browser?

Yes — both JSONPlaceholder and Keyvalue 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 JSONPlaceholder and Keyvalue free for commercial use?

JSONPlaceholder has unclear commercial terms, and Keyvalue 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.