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Host.io vs PubMed E-utilities

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

APIHost.ioREACHABLE—PubMed E-utilitiesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublished3 req/window · 1 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Host.io vs PubMed E-utilities: common questions

Which is more reliable, Host.io or PubMed E-utilities?

On our scheduled checks, PubMed E-utilities leads on measured uptime — Host.io at —% versus PubMed E-utilities 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 Host.io and PubMed E-utilities need an API key?

PubMed E-utilities needs no key, while Host.io requires a free API key. If you want to start calling without signup, reach for PubMed E-utilities first.

Can I call Host.io and PubMed E-utilities from the browser?

Yes — both Host.io and PubMed E-utilities 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 Host.io and PubMed E-utilities free for commercial use?

Host.io has unclear commercial terms, and PubMed E-utilities 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.