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ItsThisForThat vs Keyvalue

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

APIItsThisForThatNEW—KeyvalueNEW—
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Rate limitUnpublished (docs ask you not to hammer it)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs Keyvalue: common questions

Which is more reliable, ItsThisForThat or Keyvalue?

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

Neither needs a paid key — ItsThisForThat 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 ItsThisForThat and Keyvalue from the browser?

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

Are ItsThisForThat and Keyvalue free for commercial use?

ItsThisForThat 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.