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IP Geolocation API vs Mediastack

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

APIIP Geolocation APIHEALTHY95MediastackHEALTHY93
Uptime · 30d
Uptime · 90d94.1%100%
Uptime · 30d90.0%100%
P50 · ms257449
P95 · ms6541356
AuthnoneapiKey
CORSnono
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 Geolocation API vs Mediastack: common questions

Which is more reliable, IP Geolocation API or Mediastack?

On our scheduled checks, Mediastack leads on measured uptime — IP Geolocation API at 94.1% versus Mediastack 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, IP Geolocation API or Mediastack?

IP Geolocation API has the lower median latency in our checks — IP Geolocation API responds in 257 ms versus Mediastack at 449 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 Geolocation API and Mediastack need an API key?

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

Can I call IP Geolocation API and Mediastack from the browser?

Neither sends browser-friendly CORS headers reliably, so call IP Geolocation API and Mediastack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are IP Geolocation API and Mediastack free for commercial use?

IP Geolocation API has unclear commercial terms, and Mediastack 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.