Open VSX Registry API vs RSS2JSON
Same instrument, two spec sheets — measured, not claimed.
Open VSX Registry API vs RSS2JSON: common questions
Which is more reliable, Open VSX Registry API or RSS2JSON?
On our scheduled checks, Open VSX Registry API leads on measured uptime — Open VSX Registry API at 100% versus RSS2JSON at 96.1% 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 RSS2JSON?
RSS2JSON has the lower median latency in our checks — Open VSX Registry API responds in 245 ms versus RSS2JSON at 178 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 RSS2JSON need an API key?
Neither needs a paid key — Open VSX Registry API is callable with no signup, and RSS2JSON is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Open VSX Registry API and RSS2JSON from the browser?
Yes — both Open VSX Registry API and RSS2JSON 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 RSS2JSON free for commercial use?
Open VSX Registry API has unclear commercial terms, and RSS2JSON 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.