Keyvalue vs SampleAPIs

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

Uptime · 30d
Uptime · 90d86.3%100%
Uptime · 30d80.0%100%
P50 · ms855471
P95 · ms2051984
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished5000 req/window · 3876 remaining · resets 1783516346
In directory since2026-07-052026-07-05
operationalpartialdownno data

Keyvalue vs SampleAPIs: common questions

Which is more reliable, Keyvalue or SampleAPIs?

On our scheduled checks, SampleAPIs leads on measured uptime — Keyvalue at 86.3% versus SampleAPIs at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Keyvalue or SampleAPIs?

SampleAPIs has the lower median latency in our checks — Keyvalue responds in 855 ms versus SampleAPIs at 471 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Keyvalue and SampleAPIs need an API key?

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

Can I call Keyvalue and SampleAPIs from the browser?

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

Keyvalue has unclear commercial terms, and SampleAPIs 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.