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Datamuse vs WHO Global Health Observatory API

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

APIDatamuseHEALTHY94WHO Global Health Observatory APIHEALTHY80
Uptime · 30d
Uptime · 90d92.2%88.2%
Uptime · 30d86.7%81.7%
P50 · ms180872
P95 · ms9262320
Authnonenone
CORSnono
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

Datamuse vs WHO Global Health Observatory API: common questions

Which is more reliable, Datamuse or WHO Global Health Observatory API?

On our scheduled checks, Datamuse leads on measured uptime — Datamuse at 92.2% versus WHO Global Health Observatory API at 88.2% 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, Datamuse or WHO Global Health Observatory API?

Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus WHO Global Health Observatory API at 872 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 Datamuse and WHO Global Health Observatory API need an API key?

Neither needs a paid key — Datamuse is callable with no signup, and WHO Global Health Observatory API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Datamuse and WHO Global Health Observatory API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Datamuse and WHO Global Health Observatory API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Datamuse and WHO Global Health Observatory API free for commercial use?

Datamuse has unclear commercial terms, and WHO Global Health Observatory API 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.