Cartes.io vs IP Data API
Same instrument, two spec sheets — measured, not claimed.
Cartes.io vs IP Data API: common questions
Which is more reliable, Cartes.io or IP Data API?
Both are neck-and-neck — Cartes.io and IP Data API each measure 99.02% 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, Cartes.io or IP Data API?
IP Data API has the lower median latency in our checks — Cartes.io responds in 612 ms versus IP Data API at 124 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 IP Data API need an API key?
Neither needs a paid key — Cartes.io is callable with no signup, and IP Data API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Cartes.io and IP Data API from the browser?
Yes — both Cartes.io and IP Data 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 Cartes.io and IP Data API free for commercial use?
Cartes.io has unclear commercial terms, and IP Data 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.