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Blockchain vs VALR

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

APIBlockchainHEALTHY95VALRHEALTHY89
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms445696
P95 · ms11143273
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — key may be required
Rate limitRetry-After: 47655sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain vs VALR: common questions

Which is more reliable, Blockchain or VALR?

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

Blockchain has the lower median latency in our checks — Blockchain responds in 445 ms versus VALR at 696 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 VALR need an API key?

Both ask you to authenticate — Blockchain uses an API key and VALR uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Blockchain and VALR from the browser?

Neither sends browser-friendly CORS headers reliably, so call Blockchain and VALR from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Blockchain and VALR free for commercial use?

Blockchain has unclear commercial terms, and VALR 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.