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eLife Sciences API vs ItsThisForThat

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

APIeLife Sciences APIHEALTHY95ItsThisForThatHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms409242
P95 · ms1039555
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished (docs ask you not to hammer it)
In directory since2026-07-052026-07-05
operationalpartialdownno data

eLife Sciences API vs ItsThisForThat: common questions

Which is more reliable, eLife Sciences API or ItsThisForThat?

Both are neck-and-neck — eLife Sciences API 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, eLife Sciences API or ItsThisForThat?

ItsThisForThat has the lower median latency in our checks — eLife Sciences API responds in 409 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 eLife Sciences API and ItsThisForThat need an API key?

Neither needs a paid key — eLife Sciences API 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 eLife Sciences API and ItsThisForThat from the browser?

Only eLife Sciences API 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 eLife Sciences API and ItsThisForThat free for commercial use?

eLife Sciences API 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.