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Agent Hustle API vs USPTO

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

APIAgent Hustle 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

Agent Hustle API vs USPTO: common questions

Which is more reliable, Agent Hustle API or USPTO?

On our scheduled checks, USPTO leads on measured uptime — Agent Hustle 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 Agent Hustle API and USPTO need an API key?

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

Can I call Agent Hustle API and USPTO from the browser?

Only Agent Hustle 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 Agent Hustle API and USPTO free for commercial use?

Agent Hustle 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.