shipapis
StarSubmit an APISubmit API

Perplexity AI API vs USPTO

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

APIPerplexity AI APINEW—USPTONEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Perplexity AI API vs USPTO: common questions

Which is more reliable, Perplexity AI API or USPTO?

On our scheduled checks, USPTO leads on measured uptime — Perplexity AI API at —% versus USPTO 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 Perplexity AI API and USPTO need an API key?

USPTO needs no key, while Perplexity AI API requires a free API key. If you want to start calling without signup, reach for USPTO first.

Can I call Perplexity AI API and USPTO from the browser?

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

Are Perplexity AI API and USPTO free for commercial use?

Perplexity AI API has unclear commercial terms, and USPTO 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.