Open VSX Registry API vs The Guardian
Same instrument, two spec sheets — measured, not claimed.
Open VSX Registry API vs The Guardian: common questions
Which is more reliable, Open VSX Registry API or The Guardian?
On our scheduled checks, Open VSX Registry API leads on measured uptime — Open VSX Registry API at 100% versus The Guardian 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, Open VSX Registry API or The Guardian?
Open VSX Registry API has the lower median latency in our checks — Open VSX Registry API responds in 245 ms versus The Guardian at 742 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 Open VSX Registry API and The Guardian need an API key?
Open VSX Registry API needs no key, while The Guardian requires a free API key. If you want to start calling without signup, reach for Open VSX Registry API first.
Can I call Open VSX Registry API and The Guardian from the browser?
Yes — both Open VSX Registry API and The Guardian 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 Open VSX Registry API and The Guardian free for commercial use?
Open VSX Registry API has unclear commercial terms, and The Guardian 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.