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Currents vs Open VSX Registry API

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

APICurrentsNEW—Open VSX Registry APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublished10800 req/window · 10799 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Currents vs Open VSX Registry API: common questions

Which is more reliable, Currents or Open VSX Registry API?

On our scheduled checks, Open VSX Registry API leads on measured uptime — Currents at —% versus Open VSX Registry API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Currents and Open VSX Registry API need an API key?

Open VSX Registry API needs no key, while Currents requires a free API key. If you want to start calling without signup, reach for Open VSX Registry API first.

Can I call Currents and Open VSX Registry API from the browser?

Only Open VSX Registry API is browser-friendly — it returns CORS headers over HTTPS. Currents needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Currents and Open VSX Registry API free for commercial use?

Currents has unclear commercial terms, and Open VSX Registry API 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.