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Diffbot API vs SHARE

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

APIDiffbot APINEW—SHARENEW—
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 SHARE: common questions

Which is more reliable, Diffbot API or SHARE?

On our scheduled checks, SHARE leads on measured uptime — Diffbot API at —% versus SHARE 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 SHARE need an API key?

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

Can I call Diffbot API and SHARE from the browser?

Yes — both Diffbot API and SHARE 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 SHARE free for commercial use?

Diffbot API has unclear commercial terms, and SHARE 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.