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Gladia vs Zenodo

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

APIGladiaNEW—ZenodoNEW—
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 limitUnpublished30 req/window · 29 remaining · resets 1783516620
In directory since2026-07-052026-07-05
operationalpartialdownno data

Gladia vs Zenodo: common questions

Which is more reliable, Gladia or Zenodo?

On our scheduled checks, Zenodo leads on measured uptime — Gladia at —% versus Zenodo 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 Gladia and Zenodo need an API key?

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

Can I call Gladia and Zenodo from the browser?

Yes — both Gladia and Zenodo 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 Gladia and Zenodo free for commercial use?

Gladia has unclear commercial terms, and Zenodo 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.