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Hong Kong Observatory vs Weatherbit - Interactive Swagger UI Documentation

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

APIHong Kong ObservatoryHEALTHY60Weatherbit - Interactive Swagger UI DocumentationHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1415529
P95 · ms36701240
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseHKO open data (see terms of use)Unverified
Free tierFree, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Hong Kong Observatory vs Weatherbit - Interactive Swagger UI Documentation: common questions

Which is more reliable, Hong Kong Observatory or Weatherbit - Interactive Swagger UI Documentation?

Both are neck-and-neck — Hong Kong Observatory and Weatherbit - Interactive Swagger UI Documentation 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, Hong Kong Observatory or Weatherbit - Interactive Swagger UI Documentation?

Weatherbit - Interactive Swagger UI Documentation has the lower median latency in our checks — Hong Kong Observatory responds in 1415 ms versus Weatherbit - Interactive Swagger UI Documentation at 529 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 Hong Kong Observatory and Weatherbit - Interactive Swagger UI Documentation need an API key?

Neither needs a paid key — Hong Kong Observatory is callable with no signup, and Weatherbit - Interactive Swagger UI Documentation is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Hong Kong Observatory and Weatherbit - Interactive Swagger UI Documentation from the browser?

Yes — both Hong Kong Observatory and Weatherbit - Interactive Swagger UI Documentation 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 Hong Kong Observatory and Weatherbit - Interactive Swagger UI Documentation free for commercial use?

Hong Kong Observatory has unclear commercial terms, and Weatherbit - Interactive Swagger UI Documentation 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.