Adoptium vs ItsThisForThat
Same instrument, two spec sheets — measured, not claimed.
Adoptium vs ItsThisForThat: common questions
Which is more reliable, Adoptium or ItsThisForThat?
Both are neck-and-neck — Adoptium and ItsThisForThat 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 ItsThisForThat?
ItsThisForThat has the lower median latency in our checks — Adoptium responds in 476 ms versus ItsThisForThat at 242 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 ItsThisForThat need an API key?
Neither needs a paid key — Adoptium is callable with no signup, and ItsThisForThat is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Adoptium and ItsThisForThat from the browser?
Only Adoptium is browser-friendly — it returns CORS headers over HTTPS. ItsThisForThat needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Adoptium and ItsThisForThat free for commercial use?
Adoptium has unclear commercial terms, and ItsThisForThat 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.