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Open VSX Registry API vs Parking St.Gallen

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

APIOpen VSX Registry APIHEALTHY96Parking St.GallenHEALTHY84
Uptime · 30d
Uptime · 90d100%99.44%
Uptime · 30d100%98.3%
P50 · ms160804
P95 · ms11234752
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?

On our scheduled checks, Open VSX Registry API leads on measured uptime — Open VSX Registry API at 100% versus Parking St.Gallen at 99.44% 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 Parking St.Gallen?

Open VSX Registry API has the lower median latency in our checks — Open VSX Registry API responds in 160 ms versus Parking St.Gallen at 804 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.