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CEORater API vs SportScore

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

APICEORater APINEW—SportScoreNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key (attribution tier)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CEORater API vs SportScore: common questions

Which is more reliable, CEORater API or SportScore?

On our scheduled checks, SportScore leads on measured uptime — CEORater API at —% versus SportScore 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 CEORater API and SportScore need an API key?

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

Can I call CEORater API and SportScore from the browser?

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

Are CEORater API and SportScore free for commercial use?

CEORater API has unclear commercial terms, and SportScore 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.