Invokely vs REST Countries

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms227274
P95 · ms2451520
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseMPL-2.0
Free tierUnlimited
Rate limitNone published
In directory since2026-10-122026-05-02
operationalpartialdownno data

Invokely vs REST Countries: common questions

Which is more reliable, Invokely or REST Countries?

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

Invokely has the lower median latency in our checks — Invokely responds in 227 ms versus REST Countries at 274 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 Invokely and REST Countries need an API key?

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

Can I call Invokely and REST Countries from the browser?

Yes — both Invokely and REST Countries 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 Invokely and REST Countries free for commercial use?

Invokely 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.