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ArcGIS Hub - World Countries Generalized vs PostalCodes

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

APIArcGIS Hub - World Countries GeneralizedHEALTHY89PostalCodesHEALTHY84
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms8391030
P95 · ms19092594
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

ArcGIS Hub - World Countries Generalized vs PostalCodes: common questions

Which is more reliable, ArcGIS Hub - World Countries Generalized or PostalCodes?

On our scheduled checks, ArcGIS Hub - World Countries Generalized leads on measured uptime — ArcGIS Hub - World Countries Generalized at 100% versus PostalCodes at 99.02% 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, ArcGIS Hub - World Countries Generalized or PostalCodes?

ArcGIS Hub - World Countries Generalized has the lower median latency in our checks — ArcGIS Hub - World Countries Generalized responds in 839 ms versus PostalCodes at 1030 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 ArcGIS Hub - World Countries Generalized and PostalCodes need an API key?

Neither needs a paid key — ArcGIS Hub - World Countries Generalized 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 ArcGIS Hub - World Countries Generalized and PostalCodes from the browser?

Only ArcGIS Hub - World Countries Generalized 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 ArcGIS Hub - World Countries Generalized and PostalCodes free for commercial use?

ArcGIS Hub - World Countries Generalized 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.