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IPGeolocation vs serpstack

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

APIIPGeolocationREACHABLE100serpstackHEALTHY93
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms259492
P95 · ms9941442
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — 1000 requests/dayFree tier — key may be required
Rate limit1000 requests/day on free planUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPGeolocation vs serpstack: common questions

Which is more reliable, IPGeolocation or serpstack?

On our scheduled checks, IPGeolocation leads on measured uptime — IPGeolocation at 100% versus serpstack at 99.02% 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, IPGeolocation or serpstack?

IPGeolocation has the lower median latency in our checks — IPGeolocation responds in 259 ms versus serpstack at 492 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 IPGeolocation and serpstack need an API key?

Both ask you to authenticate — IPGeolocation uses an API key and serpstack uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call IPGeolocation and serpstack from the browser?

Only IPGeolocation 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 IPGeolocation and serpstack free for commercial use?

IPGeolocation 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.