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Nexmo API vs Public Time API

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

APINexmo APIHEALTHY95Public Time APIHEALTHY97
Uptime · 30d
Uptime · 90d100%99.44%
Uptime · 30d100%98.3%
P50 · ms226311
P95 · ms1212449
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limit10, 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 1Retry-After: 1020s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nexmo API vs Public Time API: common questions

Which is more reliable, Nexmo API or Public Time API?

On our scheduled checks, Nexmo API leads on measured uptime — Nexmo API at 100% versus Public Time API at 99.44% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Nexmo API or Public Time API?

Nexmo API has the lower median latency in our checks — Nexmo API responds in 226 ms versus Public Time API at 311 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 Nexmo API and Public Time API need an API key?

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

Can I call Nexmo API and Public Time API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Nexmo API and Public Time API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Nexmo API and Public Time API free for commercial use?

Nexmo API has unclear commercial terms, and Public Time 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.