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Free Public APIs API vs PredictHQ

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

APIFree Public APIs APINEW—PredictHQNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Free Public APIs API vs PredictHQ: common questions

Which is more reliable, Free Public APIs API or PredictHQ?

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

Free Public APIs API needs no key, while PredictHQ requires a free API key. If you want to start calling without signup, reach for Free Public APIs API first.

Can I call Free Public APIs API and PredictHQ from the browser?

Yes — both Free Public APIs API and PredictHQ send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Free Public APIs API and PredictHQ free for commercial use?

Free Public APIs API has unclear commercial terms, and PredictHQ 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.