GLEIF LEI API vs Photon API

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms1052710
P95 · ms24721598
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GLEIF LEI API vs Photon API: common questions

Which is more reliable, GLEIF LEI API or Photon API?

On our scheduled checks, GLEIF LEI API leads on measured uptime — GLEIF LEI API at 100% versus Photon API at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, GLEIF LEI API or Photon API?

Photon API has the lower median latency in our checks — GLEIF LEI API responds in 1052 ms versus Photon API at 710 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 Photon API need an API key?

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

Can I call GLEIF LEI API and Photon API from the browser?

Yes — both GLEIF LEI API and Photon API 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 Photon API free for commercial use?

GLEIF LEI API has unclear commercial terms, and Photon 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.