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Lookup.im API vs My IP API

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

APILookup.im APIHEALTHY89My IP APIDYING79
Uptime · 30d
Uptime · 90d97.8%70.2%
Uptime · 30d98.3%8.6%
P50 · ms180300
P95 · ms3581803
AuthapiKeynone
CORSnono
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

Lookup.im API vs My IP API: common questions

Which is more reliable, Lookup.im API or My IP API?

On our scheduled checks, Lookup.im API leads on measured uptime — Lookup.im API at 97.8% versus My IP API at 70.2% 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, Lookup.im API or My IP API?

Lookup.im API has the lower median latency in our checks — Lookup.im API responds in 180 ms versus My IP API at 300 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 Lookup.im API and My IP API need an API key?

My IP API needs no key, while Lookup.im API requires a free API key. If you want to start calling without signup, reach for My IP API first.

Can I call Lookup.im API and My IP API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Lookup.im API and My IP API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Lookup.im API and My IP API free for commercial use?

Lookup.im API has unclear commercial terms, and My IP 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.