shipapis
StarSubmit an APISubmit API

GeoScore vs serpstack

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

APIGeoScoreNEW—serpstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GeoScore vs serpstack: common questions

Which is more reliable, GeoScore or serpstack?

On our scheduled checks, serpstack leads on measured uptime — GeoScore 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 GeoScore and serpstack need an API key?

Both ask you to authenticate — GeoScore 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 GeoScore and serpstack from the browser?

Only GeoScore 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 GeoScore and serpstack free for commercial use?

GeoScore 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.