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iDigBio vs ITIS

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

APIiDigBioNEW—ITISNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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

iDigBio vs ITIS: common questions

Which is more reliable, iDigBio or ITIS?

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

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

Can I call iDigBio and ITIS from the browser?

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

Are iDigBio and ITIS free for commercial use?

iDigBio has unclear commercial terms, and ITIS 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.