shipapis
StarSubmit an APISubmit API

Sofiaplan vs WhatIsMyIP API

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

APISofiaplanHEALTHY80WhatIsMyIP APIHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1666227
P95 · ms3475672
Authnonenone
CORSnoyes
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

Sofiaplan vs WhatIsMyIP API: common questions

Which is more reliable, Sofiaplan or WhatIsMyIP API?

Both are neck-and-neck — Sofiaplan and WhatIsMyIP API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Sofiaplan or WhatIsMyIP API?

WhatIsMyIP API has the lower median latency in our checks — Sofiaplan responds in 1666 ms versus WhatIsMyIP API at 227 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 Sofiaplan and WhatIsMyIP API need an API key?

Neither needs a paid key — Sofiaplan 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 Sofiaplan and WhatIsMyIP API from the browser?

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

Are Sofiaplan and WhatIsMyIP API free for commercial use?

Sofiaplan 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.