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Nager.Date vs Telnyx API

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

APINager.DateHEALTHY100Telnyx APIHEALTHY97
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms58246
P95 · ms553570
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no keyFree tier — API key required
Rate limitUnpublished50, 50;w=1 req/window · 49 remaining · resets 1
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nager.Date vs Telnyx API: common questions

Which is more reliable, Nager.Date or Telnyx API?

Both are neck-and-neck — Nager.Date and Telnyx 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 Telnyx API?

Nager.Date has the lower median latency in our checks — Nager.Date responds in 58 ms versus Telnyx API at 246 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 Telnyx API need an API key?

Nager.Date needs no key, while Telnyx 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 Telnyx API from the browser?

Yes — both Nager.Date and Telnyx API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Nager.Date and Telnyx API free for commercial use?

Nager.Date has unclear commercial terms, and Telnyx 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.