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Arul's IP API vs IP Address API

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

APIArul's IP APIHEALTHY94IP Address APIHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms502513
P95 · ms14693736
Authnonenone
CORSyesyes
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

Arul's IP API vs IP Address API: common questions

Which is more reliable, Arul's IP API or IP Address API?

Both are neck-and-neck — Arul's IP API and IP Address 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, Arul's IP API or IP Address API?

Arul's IP API has the lower median latency in our checks — Arul's IP API responds in 502 ms versus IP Address API at 513 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 Arul's IP API and IP Address API need an API key?

Neither needs a paid key — Arul's IP API is callable with no signup, and IP Address API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Arul's IP API and IP Address API from the browser?

Yes — both Arul's IP API and IP Address API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Arul's IP API and IP Address API free for commercial use?

Arul's IP API has unclear commercial terms, and IP Address 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.