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Huobi vs Kraken

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

APIHuobiHEALTHY96KrakenHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms349155
P95 · ms1070403
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Huobi vs Kraken: common questions

Which is more reliable, Huobi or Kraken?

Both are neck-and-neck — Huobi and Kraken 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, Huobi or Kraken?

Kraken has the lower median latency in our checks — Huobi responds in 349 ms versus Kraken at 155 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 Huobi and Kraken need an API key?

Kraken needs no key, while Huobi requires a free API key. If you want to start calling without signup, reach for Kraken first.

Can I call Huobi and Kraken from the browser?

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

Are Huobi and Kraken free for commercial use?

Huobi has unclear commercial terms, and Kraken 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.