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Adyen Checkout API vs World Trading Data

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

APIAdyen Checkout APIHEALTHY95World Trading DataHEALTHY94
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms418423
P95 · ms1667920
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Adyen Checkout API vs World Trading Data: common questions

Which is more reliable, Adyen Checkout API or World Trading Data?

On our scheduled checks, Adyen Checkout API leads on measured uptime — Adyen Checkout API at 100% versus World Trading Data 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 World Trading Data?

Adyen Checkout API has the lower median latency in our checks — Adyen Checkout API responds in 418 ms versus World Trading Data at 423 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 World Trading Data need an API key?

Both ask you to authenticate — Adyen Checkout API uses an API key and World Trading Data 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 Adyen Checkout API and World Trading Data from the browser?

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

Are Adyen Checkout API and World Trading Data free for commercial use?

Adyen Checkout API has unclear commercial terms, and World Trading Data 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.