Keen IO vs Not Human Search

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms667239
P95 · ms1461911
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — no key for read endpoints (paid API-key plans offered)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Keen IO vs Not Human Search: common questions

Which is more reliable, Keen IO or Not Human Search?

Both are neck-and-neck — Keen IO and Not Human Search each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Keen IO or Not Human Search?

Not Human Search has the lower median latency in our checks — Keen IO responds in 667 ms versus Not Human Search at 239 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 Keen IO and Not Human Search need an API key?

Not Human Search needs no key, while Keen IO requires a free API key. If you want to start calling without signup, reach for Not Human Search first.

Can I call Keen IO and Not Human Search from the browser?

Only Not Human Search is browser-friendly — it returns CORS headers over HTTPS. Keen IO needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Keen IO and Not Human Search free for commercial use?

Keen IO has unclear commercial terms, and Not Human Search 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.