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Kaggle vs Registrum API

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

APIKaggleHEALTHY98Registrum APIHEALTHY96
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms250246
P95 · ms5661553
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Kaggle vs Registrum API: common questions

Which is more reliable, Kaggle or Registrum API?

Both are neck-and-neck — Kaggle and Registrum 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, Kaggle or Registrum API?

Registrum API has the lower median latency in our checks — Kaggle responds in 250 ms versus Registrum API at 246 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 Kaggle and Registrum API need an API key?

Both ask you to authenticate — Kaggle uses an API key and Registrum API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Kaggle and Registrum API from the browser?

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

Are Kaggle and Registrum API free for commercial use?

Kaggle has unclear commercial terms, and Registrum 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.