Arul's IP API vs ipapi.co

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

Uptime · 30d
Uptime · 90d100%1.0%
Uptime · 30d100%1.7%
P50 · ms502440
P95 · ms1469440
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — quota not published; returns 429 when exceeded
Rate limitUnpublishedUnpublished (429 Quota exceeded)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Arul's IP API vs ipapi.co: common questions

Which is more reliable, Arul's IP API or ipapi.co?

On our scheduled checks, Arul's IP API leads on measured uptime — Arul's IP API at 100% versus ipapi.co at 1.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Arul's IP API or ipapi.co?

ipapi.co has the lower median latency in our checks — Arul's IP API responds in 502 ms versus ipapi.co at 440 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 ipapi.co need an API key?

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

Can I call Arul's IP API and ipapi.co from the browser?

Yes — both Arul's IP API and ipapi.co 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 ipapi.co free for commercial use?

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