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Open VSX Registry API vs OpenCaged Geocoder (Open Source option)

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

APIOpen VSX Registry APIHEALTHY95OpenCaged Geocoder (Open Source option)REACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms245519
P95 · ms6931010
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit10800 req/window · 10799 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Open VSX Registry API vs OpenCaged Geocoder (Open Source option): common questions

Which is more reliable, Open VSX Registry API or OpenCaged Geocoder (Open Source option)?

Both are neck-and-neck — Open VSX Registry API and OpenCaged Geocoder (Open Source option) 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 OpenCaged Geocoder (Open Source option)?

Open VSX Registry API has the lower median latency in our checks — Open VSX Registry API responds in 245 ms versus OpenCaged Geocoder (Open Source option) at 519 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 OpenCaged Geocoder (Open Source option) need an API key?

Open VSX Registry API needs no key, while OpenCaged Geocoder (Open Source option) requires a free API key. If you want to start calling without signup, reach for Open VSX Registry API first.

Can I call Open VSX Registry API and OpenCaged Geocoder (Open Source option) from the browser?

Yes — both Open VSX Registry API and OpenCaged Geocoder (Open Source option) 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 OpenCaged Geocoder (Open Source option) free for commercial use?

Open VSX Registry API has unclear commercial terms, and OpenCaged Geocoder (Open Source option) 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.