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Bitbucket Cloud API vs Open VSX Registry API

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

APIBitbucket Cloud APIHEALTHY89Open VSX Registry APIHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms783245
P95 · ms1606693
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limit60, 60;w=3600 req/window · 59 remaining · resets 263510800 req/window · 10799 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bitbucket Cloud API vs Open VSX Registry API: common questions

Which is more reliable, Bitbucket Cloud API or Open VSX Registry API?

Both are neck-and-neck — Bitbucket Cloud API and Open VSX Registry API 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, Bitbucket Cloud API or Open VSX Registry API?

Open VSX Registry API has the lower median latency in our checks — Bitbucket Cloud API responds in 783 ms versus Open VSX Registry API at 245 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 Bitbucket Cloud API and Open VSX Registry API need an API key?

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

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

Yes — both Bitbucket Cloud API and Open VSX Registry API 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 Bitbucket Cloud API and Open VSX Registry API free for commercial use?

Bitbucket Cloud API 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.