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Court Rules vs GLEIF LEI API

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

APICourt RulesDYING37GLEIF LEI APIHEALTHY69
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—620
P95 · ms—2472
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limitUnpublished
In directory since2026-10-042026-07-05
operationalpartialdownno data

Court Rules vs GLEIF LEI API: common questions

Which is more reliable, Court Rules or GLEIF LEI API?

On our scheduled checks, GLEIF LEI API leads on measured uptime — Court Rules at 0.0% versus GLEIF LEI API at 100% 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 Court Rules and GLEIF LEI API need an API key?

Neither needs a paid key — Court Rules is callable with no signup, and GLEIF LEI API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Court Rules and GLEIF LEI API from the browser?

Only GLEIF LEI API is browser-friendly — it returns CORS headers over HTTPS. Court Rules needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Court Rules and GLEIF LEI API free for commercial use?

Court Rules has unclear commercial terms, and GLEIF LEI API 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.