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ValidEU API vs Voidly

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

APIValidEU APIHEALTHY97VoidlyHEALTHY78
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2731238
P95 · ms7863894
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0
Free tierFree tier — API key requiredFree (keyless data endpoints; Hydra ML endpoints need a key)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ValidEU API vs Voidly: common questions

Which is more reliable, ValidEU API or Voidly?

Both are neck-and-neck — ValidEU API and Voidly each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, ValidEU API or Voidly?

ValidEU API has the lower median latency in our checks — ValidEU API responds in 273 ms versus Voidly at 1238 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 ValidEU API and Voidly need an API key?

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

Can I call ValidEU API and Voidly from the browser?

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

Are ValidEU API and Voidly free for commercial use?

ValidEU API has unclear commercial terms, and Voidly 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.