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Blockchain.info vs CryptoLabel API

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

APIBlockchain.infoHEALTHY95CryptoLabel APIHEALTHY80
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms3971384
P95 · ms8703698
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain.info vs CryptoLabel API: common questions

Which is more reliable, Blockchain.info or CryptoLabel API?

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

Blockchain.info has the lower median latency in our checks — Blockchain.info responds in 397 ms versus CryptoLabel API at 1384 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.info and CryptoLabel API need an API key?

Neither needs a paid key — Blockchain.info is callable with no signup, and CryptoLabel API is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

Yes — both Blockchain.info and CryptoLabel API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Blockchain.info and CryptoLabel API free for commercial use?

Blockchain.info has unclear commercial terms, and CryptoLabel 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.