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Blockchain vs Blockchain.info

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

APIBlockchainHEALTHY95Blockchain.infoHEALTHY95
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms445397
P95 · ms1114870
AuthapiKeynone
CORSnoyes
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 Blockchain.info: common questions

Which is more reliable, Blockchain or Blockchain.info?

On our scheduled checks, Blockchain.info leads on measured uptime — Blockchain at 99.02% versus Blockchain.info at 100% 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 Blockchain.info?

Blockchain.info has the lower median latency in our checks — Blockchain responds in 445 ms versus Blockchain.info at 397 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 Blockchain.info need an API key?

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

Can I call Blockchain and Blockchain.info from the browser?

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

Are Blockchain and Blockchain.info free for commercial use?

Blockchain has unclear commercial terms, and Blockchain.info 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.