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Adoptium vs OnSched Consumer API

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

APIAdoptiumHEALTHY92OnSched Consumer APIHEALTHY88
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms476722
P95 · ms12551890
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Adoptium vs OnSched Consumer API: common questions

Which is more reliable, Adoptium or OnSched Consumer API?

Both are neck-and-neck — Adoptium and OnSched Consumer API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Adoptium or OnSched Consumer API?

Adoptium has the lower median latency in our checks — Adoptium responds in 476 ms versus OnSched Consumer API at 722 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Adoptium and OnSched Consumer API need an API key?

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

Can I call Adoptium and OnSched Consumer API from the browser?

Yes — both Adoptium and OnSched Consumer API 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 Adoptium and OnSched Consumer API free for commercial use?

Adoptium has unclear commercial terms, and OnSched Consumer 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.