ddownload vs Shodan EntityDB API

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms365918
P95 · ms7921306
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ddownload vs Shodan EntityDB API: common questions

Which is more reliable, ddownload or Shodan EntityDB API?

Both are neck-and-neck — ddownload 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, ddownload or Shodan EntityDB API?

ddownload has the lower median latency in our checks — ddownload responds in 365 ms versus Shodan EntityDB API at 918 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 ddownload and Shodan EntityDB API need an API key?

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

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

Neither sends browser-friendly CORS headers reliably, so call ddownload and Shodan EntityDB API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are ddownload and Shodan EntityDB API free for commercial use?

ddownload 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.