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OkSurf vs PredictHQ

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

APIOkSurfNEW—PredictHQNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
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

OkSurf vs PredictHQ: common questions

Which is more reliable, OkSurf or PredictHQ?

On our scheduled checks, PredictHQ leads on measured uptime — OkSurf 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 OkSurf and PredictHQ need an API key?

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

Can I call OkSurf and PredictHQ from the browser?

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

Are OkSurf and PredictHQ free for commercial use?

OkSurf 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.