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Blockchain vs btcnode.uk

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

APIBlockchainHEALTHY95btcnode.ukHEALTHY86
Uptime · 30d
Uptime · 90d99.02%91.2%
Uptime · 30d98.3%93.3%
P50 · ms445586
P95 · ms11144110
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitRetry-After: 47655sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain vs btcnode.uk: common questions

Which is more reliable, Blockchain or btcnode.uk?

On our scheduled checks, Blockchain leads on measured uptime — Blockchain at 99.02% versus btcnode.uk at 91.2% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Blockchain or btcnode.uk?

Blockchain has the lower median latency in our checks — Blockchain responds in 445 ms versus btcnode.uk at 586 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 Blockchain and btcnode.uk need an API key?

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

Can I call Blockchain and btcnode.uk from the browser?

Neither sends browser-friendly CORS headers reliably, so call Blockchain and btcnode.uk from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Blockchain and btcnode.uk free for commercial use?

Blockchain has unclear commercial terms, and btcnode.uk 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.