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Blockchain.info vs Coinlayer

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

APIBlockchain.infoHEALTHY95CoinlayerHEALTHY92
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms397467
P95 · ms8701716
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain.info vs Coinlayer: common questions

Which is more reliable, Blockchain.info or Coinlayer?

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

Blockchain.info has the lower median latency in our checks — Blockchain.info responds in 397 ms versus Coinlayer at 467 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 Coinlayer need an API key?

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

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

Yes — both Blockchain.info and Coinlayer 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 Coinlayer free for commercial use?

Blockchain.info has unclear commercial terms, and Coinlayer 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.