ip-api.com vs Sheet2API

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

Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d100%98.3%
P50 · ms333070
P95 · ms2514902
AuthnoneapiKey
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ip-api.com vs Sheet2API: common questions

Which is more reliable, ip-api.com or Sheet2API?

Both are neck-and-neck — ip-api.com and Sheet2API 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, ip-api.com or Sheet2API?

ip-api.com has the lower median latency in our checks — ip-api.com responds in 33 ms versus Sheet2API at 3070 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-api.com and Sheet2API need an API key?

ip-api.com needs no key, while Sheet2API requires a free API key. If you want to start calling without signup, reach for ip-api.com first.

Can I call ip-api.com and Sheet2API from the browser?

Only Sheet2API is browser-friendly — it returns CORS headers over HTTPS. ip-api.com needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ip-api.com and Sheet2API free for commercial use?

ip-api.com has unclear commercial terms, and Sheet2API 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.