Automatic Weather Stations vs IPMA
Same instrument, two spec sheets — measured, not claimed.
Automatic Weather Stations vs IPMA: common questions
Which is more reliable, Automatic Weather Stations or IPMA?
On our scheduled checks, Automatic Weather Stations leads on measured uptime — Automatic Weather Stations at 100% versus IPMA at 98.0% 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, Automatic Weather Stations or IPMA?
Automatic Weather Stations has the lower median latency in our checks — Automatic Weather Stations responds in 986 ms versus IPMA at 1024 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 Automatic Weather Stations and IPMA need an API key?
Neither needs a paid key — Automatic Weather Stations is callable with no signup, and IPMA is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Automatic Weather Stations and IPMA from the browser?
Yes — both Automatic Weather Stations and IPMA 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 Automatic Weather Stations and IPMA free for commercial use?
Automatic Weather Stations has unclear commercial terms, and IPMA 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.