Adyen Checkout API vs PredScope

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Adyen Checkout API vs PredScope: common questions

Which is more reliable, Adyen Checkout API or PredScope?

On our scheduled checks, PredScope leads on measured uptime — Adyen Checkout API at —% versus PredScope at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Adyen Checkout API and PredScope need an API key?

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

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

Only PredScope 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 PredScope free for commercial use?

Adyen Checkout API has unclear commercial terms, and PredScope 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.