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InternetDB API vs Pythonium

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

APIInternetDB APINEW—PythoniumNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
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

InternetDB API vs Pythonium: common questions

Which is more reliable, InternetDB API or Pythonium?

On our scheduled checks, Pythonium leads on measured uptime — InternetDB API at —% versus Pythonium 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 InternetDB API and Pythonium need an API key?

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

Can I call InternetDB API and Pythonium from the browser?

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

Are InternetDB API and Pythonium free for commercial use?

InternetDB API has unclear commercial terms, and Pythonium 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.