GLEIF LEI API vs REST Countries
Same instrument, two spec sheets — measured, not claimed.
GLEIF LEI API vs REST Countries: common questions
Which is more reliable, GLEIF LEI API or REST Countries?
Both are neck-and-neck — GLEIF LEI API 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, GLEIF LEI API or REST Countries?
REST Countries has the lower median latency in our checks — GLEIF LEI API responds in 482 ms versus REST Countries at 275 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 GLEIF LEI API and REST Countries need an API key?
Neither needs a paid key — GLEIF LEI API is callable with no signup, and REST Countries is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call GLEIF LEI API and REST Countries from the browser?
Yes — both GLEIF LEI API 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 GLEIF LEI API and REST Countries free for commercial use?
GLEIF LEI API 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.