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IP Address API vs ipapi.com

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

APIIP Address APIHEALTHY93ipapi.comHEALTHY96
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms513301
P95 · ms37361575
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IP Address API vs ipapi.com: common questions

Which is more reliable, IP Address API or ipapi.com?

Both are neck-and-neck — IP Address API and ipapi.com 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, IP Address API or ipapi.com?

ipapi.com has the lower median latency in our checks — IP Address API responds in 513 ms versus ipapi.com at 301 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 IP Address API and ipapi.com need an API key?

IP Address API needs no key, while ipapi.com requires a free API key. If you want to start calling without signup, reach for IP Address API first.

Can I call IP Address API and ipapi.com from the browser?

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

Are IP Address API and ipapi.com free for commercial use?

IP Address API has unclear commercial terms, and ipapi.com 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.