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Diffbot API vs JPL Close Approach

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

APIDiffbot APINEW—JPL Close ApproachNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
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 JPL Close Approach: common questions

Which is more reliable, Diffbot API or JPL Close Approach?

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

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

Can I call Diffbot API and JPL Close Approach from the browser?

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

Are Diffbot API and JPL Close Approach free for commercial use?

Diffbot API has unclear commercial terms, and JPL Close Approach 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.