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Tumblr vs xfetch

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

APITumblrREACHABLE—xfetchNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthoauthapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierOAuth — some read routes may be publicFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Tumblr vs xfetch: common questions

Which is more reliable, Tumblr or xfetch?

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

Both ask you to authenticate — Tumblr uses OAuth and xfetch 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 Tumblr and xfetch from the browser?

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

Tumblr has unclear commercial terms, and xfetch 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.