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Telnyx API vs Tumblr

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

APITelnyx APIDEAD0TumblrREACHABLE100
Uptime · 30d
Uptime · 90d60.6%100%
Uptime · 30d0.0%100%
P50 · ms172146
P95 · ms545808
AuthapiKeyoauth
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredOAuth — some read routes may be public
Rate limit50, 50;w=1 req/window · 49 remaining · resets 1Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Telnyx API vs Tumblr: common questions

Which is more reliable, Telnyx API or Tumblr?

On our scheduled checks, Tumblr leads on measured uptime — Telnyx API at 60.6% versus Tumblr at 100% 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, Telnyx API or Tumblr?

Tumblr has the lower median latency in our checks — Telnyx API responds in 172 ms versus Tumblr at 146 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 Telnyx API and Tumblr need an API key?

Both ask you to authenticate — Telnyx API uses an API key and Tumblr uses OAuth. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Telnyx API and Tumblr from the browser?

Yes — both Telnyx API and Tumblr 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 Telnyx API and Tumblr free for commercial use?

Telnyx API has unclear commercial terms, and Tumblr 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.