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Open Science Framework vs TLE

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

APIOpen Science FrameworkNEW—TLENEW—
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

Open Science Framework vs TLE: common questions

Which is more reliable, Open Science Framework or TLE?

On our scheduled checks, TLE leads on measured uptime — Open Science Framework at —% versus TLE 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 Open Science Framework and TLE need an API key?

Neither needs a paid key — Open Science Framework is callable with no signup, and TLE is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Open Science Framework and TLE from the browser?

Only TLE is browser-friendly — it returns CORS headers over HTTPS. Open Science Framework needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Open Science Framework and TLE free for commercial use?

Open Science Framework has unclear commercial terms, and TLE 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.