Mediastack vs OkSurf

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Mediastack vs OkSurf: common questions

Which is more reliable, Mediastack or OkSurf?

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

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

Can I call Mediastack and OkSurf from the browser?

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

Are Mediastack and OkSurf free for commercial use?

Mediastack has unclear commercial terms, and OkSurf 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.