IPGEO vs PostalCodes

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

Uptime · 30d
Uptime · 90d98.9%80.9%
Uptime · 30d98.3%43.1%
P50 · ms363968
P95 · ms23452594
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPGEO vs PostalCodes: common questions

Which is more reliable, IPGEO or PostalCodes?

On our scheduled checks, IPGEO leads on measured uptime — IPGEO at 98.9% versus PostalCodes at 80.9% 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, IPGEO or PostalCodes?

IPGEO has the lower median latency in our checks — IPGEO responds in 363 ms versus PostalCodes at 968 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 IPGEO and PostalCodes need an API key?

Neither needs a paid key — IPGEO is callable with no signup, and PostalCodes is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call IPGEO and PostalCodes from the browser?

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

Are IPGEO and PostalCodes free for commercial use?

IPGEO has unclear commercial terms, and PostalCodes 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.