GLEIF LEI API vs Shields
Same instrument, two spec sheets — measured, not claimed.
GLEIF LEI API vs Shields: common questions
Which is more reliable, GLEIF LEI API or Shields?
On our scheduled checks, Shields leads on measured uptime — GLEIF LEI API at —% versus Shields 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 GLEIF LEI API and Shields need an API key?
Neither needs a paid key — GLEIF LEI API is callable with no signup, and Shields is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call GLEIF LEI API and Shields from the browser?
Yes — both GLEIF LEI API and Shields 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 Shields free for commercial use?
GLEIF LEI API has unclear commercial terms, and Shields 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.