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Not Human Search vs Perplexity AI API

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

APINot Human SearchNEW—Perplexity AI APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key for read endpoints (paid API-key plans offered)Free tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Not Human Search vs Perplexity AI API: common questions

Which is more reliable, Not Human Search or Perplexity AI API?

On our scheduled checks, Perplexity AI API leads on measured uptime — Not Human Search at —% versus Perplexity AI API 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 Not Human Search and Perplexity AI API need an API key?

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

Can I call Not Human Search and Perplexity AI API from the browser?

Yes — both Not Human Search and Perplexity AI API 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 Not Human Search and Perplexity AI API free for commercial use?

Not Human Search has unclear commercial terms, and Perplexity AI API 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.