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PredictHQ vs ValidEU API

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

APIPredictHQNEW—ValidEU APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

PredictHQ vs ValidEU API: common questions

Which is more reliable, PredictHQ or ValidEU API?

On our scheduled checks, ValidEU API leads on measured uptime — PredictHQ at —% versus ValidEU API 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 PredictHQ and ValidEU API need an API key?

Both ask you to authenticate — PredictHQ uses an API key and ValidEU API 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 PredictHQ and ValidEU API from the browser?

Only PredictHQ 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 PredictHQ and ValidEU API free for commercial use?

PredictHQ has unclear commercial terms, and ValidEU API 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.