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Telegraph vs Tumblr

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

APITelegraphNEW—TumblrREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyoauth
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredOAuth — some read routes may be public
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Telegraph vs Tumblr: common questions

Which is more reliable, Telegraph or Tumblr?

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

Both ask you to authenticate — Telegraph 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 Telegraph and Tumblr from the browser?

Yes — both Telegraph 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 Telegraph and Tumblr free for commercial use?

Telegraph 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.