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Blockchain vs CryptAPI

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

APIBlockchainHEALTHY95CryptAPIHEALTHY94
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms445496
P95 · ms11141103
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree API; provider takes ~1% fee per forwarded payment
Rate limitRetry-After: 47655sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain vs CryptAPI: common questions

Which is more reliable, Blockchain or CryptAPI?

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

Blockchain has the lower median latency in our checks — Blockchain responds in 445 ms versus CryptAPI at 496 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 CryptAPI need an API key?

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

Can I call Blockchain and CryptAPI from the browser?

Only CryptAPI 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 CryptAPI free for commercial use?

Blockchain has unclear commercial terms, and CryptAPI allows commercial use on its free tier. 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.