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Cartes.io vs ipapi.com

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

APICartes.ioHEALTHY92ipapi.comHEALTHY96
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms612301
P95 · ms11601575
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (open-source project; user-generated maps)Unverified
Free tierFree, no API key for public readFree tier — key may be required
Rate limit60 req/window · 59 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cartes.io vs ipapi.com: common questions

Which is more reliable, Cartes.io or ipapi.com?

On our scheduled checks, ipapi.com leads on measured uptime — Cartes.io at 99.02% versus ipapi.com at 100% 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, Cartes.io or ipapi.com?

ipapi.com has the lower median latency in our checks — Cartes.io responds in 612 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 Cartes.io and ipapi.com need an API key?

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

Can I call Cartes.io and ipapi.com from the browser?

Only Cartes.io 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 Cartes.io and ipapi.com free for commercial use?

Cartes.io 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.