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Vercel API vs YADG

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

APIVercel APINEW—YADGNEW—
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 — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Vercel API vs YADG: common questions

Which is more reliable, Vercel API or YADG?

On our scheduled checks, YADG leads on measured uptime — Vercel API at —% versus YADG 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 Vercel API and YADG need an API key?

Both ask you to authenticate — Vercel API uses an API key and YADG 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 Vercel API and YADG from the browser?

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

Are Vercel API and YADG free for commercial use?

Vercel API has unclear commercial terms, and YADG 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.