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Adyen Checkout API vs Markbase

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

APIAdyen Checkout APIHEALTHY95MarkbaseHEALTHY85
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms418866
P95 · ms16671568
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublished30 req/window · 29 remaining · resets 1783519324
In directory since2026-07-052026-07-05
operationalpartialdownno data

Adyen Checkout API vs Markbase: common questions

Which is more reliable, Adyen Checkout API or Markbase?

On our scheduled checks, Adyen Checkout API leads on measured uptime — Adyen Checkout API at 100% versus Markbase 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, Adyen Checkout API or Markbase?

Adyen Checkout API has the lower median latency in our checks — Adyen Checkout API responds in 418 ms versus Markbase at 866 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 Adyen Checkout API and Markbase need an API key?

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

Can I call Adyen Checkout API and Markbase from the browser?

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

Are Adyen Checkout API and Markbase free for commercial use?

Adyen Checkout API has unclear commercial terms, and Markbase 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.