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Poptin API vs Shodan EntityDB API

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

APIPoptin APIREACHABLE100Shodan EntityDB APIHEALTHY87
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms698883
P95 · ms17051941
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limit120 req/window · 119 remainingUnpublished
In directory since2026-10-042026-07-05
operationalpartialdownno data

Poptin API vs Shodan EntityDB API: common questions

Which is more reliable, Poptin API or Shodan EntityDB API?

Both are neck-and-neck — Poptin API and Shodan EntityDB API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Poptin API or Shodan EntityDB API?

Poptin API has the lower median latency in our checks — Poptin API responds in 698 ms versus Shodan EntityDB API at 883 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 Poptin API and Shodan EntityDB API need an API key?

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

Can I call Poptin API and Shodan EntityDB API from the browser?

Only Poptin API 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 Poptin API and Shodan EntityDB API free for commercial use?

Poptin API has unclear commercial terms, and Shodan EntityDB 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.