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Urlbox API vs WhatIsMyIP API

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

APIUrlbox APINEW—WhatIsMyIP APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Urlbox API vs WhatIsMyIP API: common questions

Which is more reliable, Urlbox API or WhatIsMyIP API?

On our scheduled checks, WhatIsMyIP API leads on measured uptime — Urlbox API at —% versus WhatIsMyIP API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Urlbox API and WhatIsMyIP API need an API key?

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

Can I call Urlbox API and WhatIsMyIP API from the browser?

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

Are Urlbox API and WhatIsMyIP API free for commercial use?

Urlbox API has unclear commercial terms, and WhatIsMyIP 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.