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IPLocate.io vs serpstack

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

APIIPLocate.ioNEW—serpstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limit50 req/window · 49 remaining · resets 1783555200Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPLocate.io vs serpstack: common questions

Which is more reliable, IPLocate.io or serpstack?

On our scheduled checks, serpstack leads on measured uptime — IPLocate.io at —% versus serpstack 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 IPLocate.io and serpstack need an API key?

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

Can I call IPLocate.io and serpstack from the browser?

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

Are IPLocate.io and serpstack free for commercial use?

IPLocate.io has unclear commercial terms, and serpstack 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.