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Diffbot API vs inspirehep.net

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

APIDiffbot APINEW—inspirehep.netNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Diffbot API vs inspirehep.net: common questions

Which is more reliable, Diffbot API or inspirehep.net?

On our scheduled checks, inspirehep.net leads on measured uptime — Diffbot API at —% versus inspirehep.net 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 Diffbot API and inspirehep.net need an API key?

inspirehep.net needs no key, while Diffbot API requires a free API key. If you want to start calling without signup, reach for inspirehep.net first.

Can I call Diffbot API and inspirehep.net from the browser?

Yes — both Diffbot API and inspirehep.net 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 Diffbot API and inspirehep.net free for commercial use?

Diffbot API has unclear commercial terms, and inspirehep.net 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.