Shodan EntityDB API vs SLA Uptime Calculator

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSnoyes
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

Shodan EntityDB API vs SLA Uptime Calculator: common questions

Which is more reliable, Shodan EntityDB API or SLA Uptime Calculator?

On our scheduled checks, SLA Uptime Calculator leads on measured uptime — Shodan EntityDB API at —% versus SLA Uptime Calculator 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 Shodan EntityDB API and SLA Uptime Calculator need an API key?

Neither needs a paid key — Shodan EntityDB API is callable with no signup, and SLA Uptime Calculator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Shodan EntityDB API and SLA Uptime Calculator from the browser?

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

Are Shodan EntityDB API and SLA Uptime Calculator free for commercial use?

Shodan EntityDB API has unclear commercial terms, and SLA Uptime Calculator 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.