Block Lottos vs btcnode.uk

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

Uptime · 30d
Uptime · 90d98.0%91.2%
Uptime · 30d96.7%93.3%
P50 · ms1025586
P95 · ms36584110
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no key (API docs state no key required)Free — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Block Lottos vs btcnode.uk: common questions

Which is more reliable, Block Lottos or btcnode.uk?

On our scheduled checks, Block Lottos leads on measured uptime — Block Lottos at 98.0% 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, Block Lottos or btcnode.uk?

btcnode.uk has the lower median latency in our checks — Block Lottos responds in 1025 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 Block Lottos and btcnode.uk need an API key?

Neither needs a paid key — Block Lottos is callable with no signup, and btcnode.uk is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Block Lottos and btcnode.uk from the browser?

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

Are Block Lottos and btcnode.uk free for commercial use?

Block Lottos 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.