Kaggle vs Open VSX Registry API
Same instrument, two spec sheets — measured, not claimed.
Kaggle vs Open VSX Registry API: common questions
Which is more reliable, Kaggle or Open VSX Registry API?
Both are neck-and-neck — Kaggle and Open VSX Registry API 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, Kaggle or Open VSX Registry API?
Open VSX Registry API has the lower median latency in our checks — Kaggle responds in 250 ms versus Open VSX Registry API at 245 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 Kaggle and Open VSX Registry API need an API key?
Open VSX Registry API needs no key, while Kaggle requires a free API key. If you want to start calling without signup, reach for Open VSX Registry API first.
Can I call Kaggle and Open VSX Registry API from the browser?
Yes — both Kaggle and Open VSX Registry API 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 Kaggle and Open VSX Registry API free for commercial use?
Kaggle has unclear commercial terms, and Open VSX Registry 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.