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Vector Express v2.0 vs Vercel API

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

APIVector Express v2.0NEW—Vercel APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFreeFree tier — API key required
Rate limit5 req/window · 4 remaining · resets 1783513379Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Vector Express v2.0 vs Vercel API: common questions

Which is more reliable, Vector Express v2.0 or Vercel API?

On our scheduled checks, Vercel API leads on measured uptime — Vector Express v2.0 at —% versus Vercel API 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 Vector Express v2.0 and Vercel API need an API key?

Vector Express v2.0 needs no key, while Vercel API requires a free API key. If you want to start calling without signup, reach for Vector Express v2.0 first.

Can I call Vector Express v2.0 and Vercel API from the browser?

Only Vercel API is browser-friendly — it returns CORS headers over HTTPS. Vector Express v2.0 needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Vector Express v2.0 and Vercel API free for commercial use?

Vector Express v2.0 has unclear commercial terms, and Vercel 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.