QuickChart vs Shodan EntityDB API

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms318918
P95 · ms35981306
Authnonenone
CORSnono
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

QuickChart vs Shodan EntityDB API: common questions

Which is more reliable, QuickChart or Shodan EntityDB API?

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

QuickChart has the lower median latency in our checks — QuickChart responds in 318 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 QuickChart and Shodan EntityDB API need an API key?

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

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

Neither sends browser-friendly CORS headers reliably, so call QuickChart 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 QuickChart and Shodan EntityDB API free for commercial use?

QuickChart 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.