ES·pera API vs Football-Data.org

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

Uptime · 30d
Uptime · 90d0.0%83.9%
Uptime · 30d0.0%100%
P50 · ms—660
P95 · ms—2969
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limitUnpublished
In directory since2026-09-212026-07-05
operationalpartialdownno data

ES·pera API vs Football-Data.org: common questions

Which is more reliable, ES·pera API or Football-Data.org?

On our scheduled checks, Football-Data.org leads on measured uptime — ES·pera API at 0.0% versus Football-Data.org at 83.9% 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 ES·pera API and Football-Data.org need an API key?

Neither needs a paid key — ES·pera API is callable with no signup, and Football-Data.org is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call ES·pera API and Football-Data.org from the browser?

Neither sends browser-friendly CORS headers reliably, so call ES·pera API and Football-Data.org from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are ES·pera API and Football-Data.org free for commercial use?

ES·pera API has unclear commercial terms, and Football-Data.org 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.