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Nexmo API vs Telegraph

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

APINexmo APINEW—TelegraphNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
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 1Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nexmo API vs Telegraph: common questions

Which is more reliable, Nexmo API or Telegraph?

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

Both ask you to authenticate — Nexmo API uses an API key and Telegraph 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 Nexmo API and Telegraph from the browser?

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

Are Nexmo API and Telegraph free for commercial use?

Nexmo API has unclear commercial terms, and Telegraph 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.