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The Odds API vs WHO Global Health Observatory API

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

APIThe Odds APIREACHABLE100WHO Global Health Observatory APIHEALTHY80
Uptime · 30d
Uptime · 90d100%88.2%
Uptime · 30d100%81.7%
P50 · ms225872
P95 · ms21012320
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

The Odds API vs WHO Global Health Observatory API: common questions

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

On our scheduled checks, The Odds API leads on measured uptime — The Odds API at 100% 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, The Odds API or WHO Global Health Observatory API?

The Odds API has the lower median latency in our checks — The Odds API responds in 225 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 The Odds API and WHO Global Health Observatory API need an API key?

WHO Global Health Observatory API needs no key, while The Odds API requires a free API key. If you want to start calling without signup, reach for WHO Global Health Observatory API first.

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

Only The Odds API is browser-friendly — it returns CORS headers over HTTPS. WHO Global Health Observatory API needs a server-side call or proxy, so factor that into which one fits a front-end project.

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

The Odds API 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.