Glax Weather API vs IPMA
Same instrument, two spec sheets — measured, not claimed.
Glax Weather API vs IPMA: common questions
Which is more reliable, Glax Weather API or IPMA?
On our scheduled checks, Glax Weather API leads on measured uptime — Glax Weather API 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, Glax Weather API or IPMA?
Glax Weather API has the lower median latency in our checks — Glax Weather API responds in 1004 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 Glax Weather API and IPMA need an API key?
Neither needs a paid key — Glax Weather API 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 Glax Weather API and IPMA from the browser?
Only IPMA is browser-friendly — it returns CORS headers over HTTPS. Glax Weather API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Glax Weather API and IPMA free for commercial use?
Glax Weather API 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.