shipapis
StarSubmit an APISubmit API

CEORater API vs SharpAPI

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

APICEORater APINEW—SharpAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CEORater API vs SharpAPI: common questions

Which is more reliable, CEORater API or SharpAPI?

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

CEORater API needs no key, while SharpAPI requires a free API key. If you want to start calling without signup, reach for CEORater API first.

Can I call CEORater API and SharpAPI from the browser?

Only SharpAPI 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 SharpAPI free for commercial use?

CEORater API has unclear commercial terms, and SharpAPI 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.