Glax Weather API vs Weatherstack
Same instrument, two spec sheets — measured, not claimed.
Glax Weather API vs Weatherstack: common questions
Which is more reliable, Glax Weather API or Weatherstack?
Both are neck-and-neck — Glax Weather API and Weatherstack 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, Glax Weather API or Weatherstack?
Weatherstack has the lower median latency in our checks — Glax Weather API responds in 1004 ms versus Weatherstack at 309 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 Weatherstack need an API key?
Glax Weather API needs no key, while Weatherstack requires a free API key. If you want to start calling without signup, reach for Glax Weather API first.
Can I call Glax Weather API and Weatherstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call Glax Weather API and Weatherstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Glax Weather API and Weatherstack free for commercial use?
Glax Weather API has unclear commercial terms, and Weatherstack 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.