Open VSX Registry API vs Sofiaplan
Same instrument, two spec sheets — measured, not claimed.
Open VSX Registry API vs Sofiaplan: common questions
Which is more reliable, Open VSX Registry API or Sofiaplan?
Both are neck-and-neck — Open VSX Registry API and Sofiaplan 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, Open VSX Registry API or Sofiaplan?
Open VSX Registry API has the lower median latency in our checks — Open VSX Registry API responds in 245 ms versus Sofiaplan at 1666 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 Sofiaplan need an API key?
Neither needs a paid key — Open VSX Registry API is callable with no signup, and Sofiaplan is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Open VSX Registry API and Sofiaplan from the browser?
Only Open VSX Registry API is browser-friendly — it returns CORS headers over HTTPS. Sofiaplan needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Open VSX Registry API and Sofiaplan free for commercial use?
Open VSX Registry API has unclear commercial terms, and Sofiaplan 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.