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Nager.Date vs Vonage (Nexmo) API

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

APINager.DateNEW—Vonage (Nexmo) APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no keyFree tier — API key required
Rate limitUnpublished10, 120;w=60;name="crd|generic_key^nexmo-gloo.sanity-service-remote-address-120-rpm|remote_address", 10;w=1;name="crd|generic_key^nexmo-gloo.sanity-service-remote-address-10-rps|remote_address" req/window · 9 remaining · resets 1
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nager.Date vs Vonage (Nexmo) API: common questions

Which is more reliable, Nager.Date or Vonage (Nexmo) API?

On our scheduled checks, Vonage (Nexmo) API leads on measured uptime — Nager.Date at —% versus Vonage (Nexmo) 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 Nager.Date and Vonage (Nexmo) API need an API key?

Nager.Date needs no key, while Vonage (Nexmo) API requires a free API key. If you want to start calling without signup, reach for Nager.Date first.

Can I call Nager.Date and Vonage (Nexmo) API from the browser?

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

Are Nager.Date and Vonage (Nexmo) API free for commercial use?

Nager.Date has unclear commercial terms, and Vonage (Nexmo) 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.