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JPL Close Approach vs Strictly Better API

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

APIJPL Close ApproachNEW—Strictly Better APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

JPL Close Approach vs Strictly Better API: common questions

Which is more reliable, JPL Close Approach or Strictly Better API?

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

Neither needs a paid key — JPL Close Approach is callable with no signup, and Strictly Better API is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

Only Strictly Better 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 JPL Close Approach and Strictly Better API free for commercial use?

JPL Close Approach has unclear commercial terms, and Strictly Better API 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.