Mediastack vs REST Countries

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms449328
P95 · ms13561189
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedMPL-2.0
Free tierFree tier — key may be requiredUnlimited
Rate limitUnpublishedNone published
In directory since2026-07-052026-05-02
operationalpartialdownno data

Mediastack vs REST Countries: common questions

Which is more reliable, Mediastack or REST Countries?

Both are neck-and-neck — Mediastack and REST Countries 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, Mediastack or REST Countries?

REST Countries has the lower median latency in our checks — Mediastack responds in 449 ms versus REST Countries at 328 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 Mediastack and REST Countries need an API key?

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

Can I call Mediastack and REST Countries from the browser?

Neither sends browser-friendly CORS headers reliably, so call Mediastack and REST Countries 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 REST Countries free for commercial use?

Mediastack has unclear commercial terms, and REST Countries 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.