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Vercel API vs ipify

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

APIVercel APIUNMONITORED—ipifyHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedn/a
Free tierFree tier — API key requiredUnlimited
Rate limitUnpublishedNone
In directory since2026-07-052026-05-02
operationalpartialdownno data

Vercel API vs ipify: common questions

Which is more reliable, Vercel API or ipify?

Only ipify is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Vercel API and ipify need an API key?

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

Can I call Vercel API and ipify from the browser?

Yes — both Vercel API and ipify send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Vercel API and ipify free for commercial use?

Vercel API has unclear commercial terms, and ipify allows commercial use on its free tier. 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.