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Adoptium vs GitHub Project Issues

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

APIAdoptiumHEALTHY92GitHub Project IssuesHEALTHY90
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms476478
P95 · ms12554310
Authnonenone
CORSyesno
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

Adoptium vs GitHub Project Issues: common questions

Which is more reliable, Adoptium or GitHub Project Issues?

On our scheduled checks, Adoptium leads on measured uptime — Adoptium at 100% versus GitHub Project Issues at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Adoptium or GitHub Project Issues?

Adoptium has the lower median latency in our checks — Adoptium responds in 476 ms versus GitHub Project Issues at 478 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 GitHub Project Issues need an API key?

Neither needs a paid key — Adoptium is callable with no signup, and GitHub Project Issues is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Adoptium and GitHub Project Issues from the browser?

Only Adoptium is browser-friendly — it returns CORS headers over HTTPS. GitHub Project Issues needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Adoptium and GitHub Project Issues free for commercial use?

Adoptium has unclear commercial terms, and GitHub Project Issues 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.