Universities List vs WhatIsMyIP API

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSnoyes
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

Universities List vs WhatIsMyIP API: common questions

Which is more reliable, Universities List or WhatIsMyIP API?

On our scheduled checks, WhatIsMyIP API leads on measured uptime — Universities List 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 Universities List and WhatIsMyIP API need an API key?

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

Can I call Universities List and WhatIsMyIP API from the browser?

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

Are Universities List and WhatIsMyIP API free for commercial use?

Universities List 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.