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Open VSX Registry API vs Parking St.Gallen

Same instrument, two spec sheets — measured, not claimed.

APIOpen VSX Registry APIHEALTHY95Parking St.GallenHEALTHY80
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2451339
P95 · ms6934752
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit10800 req/window · 10799 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Open VSX Registry API vs Parking St.Gallen: common questions

Which is more reliable, Open VSX Registry API or Parking St.Gallen?

Both are neck-and-neck — Open VSX Registry API and Parking St.Gallen 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 Parking St.Gallen?

Open VSX Registry API has the lower median latency in our checks — Open VSX Registry API responds in 245 ms versus Parking St.Gallen at 1339 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 Parking St.Gallen need an API key?

Neither needs a paid key — Open VSX Registry API is callable with no signup, and Parking St.Gallen is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Open VSX Registry API and Parking St.Gallen from the browser?

Yes — both Open VSX Registry API and Parking St.Gallen 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 Parking St.Gallen free for commercial use?

Open VSX Registry API has unclear commercial terms, and Parking St.Gallen 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.