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Nager.Date vs Vonage (Nexmo) API

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

APINager.DateHEALTHY100Vonage (Nexmo) APIHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms56507
P95 · ms5531019
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?

Both are neck-and-neck — Nager.Date and Vonage (Nexmo) API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

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

Nager.Date has the lower median latency in our checks — Nager.Date responds in 56 ms versus Vonage (Nexmo) API at 507 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.