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Disify vs Tumblr

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

APIDisifyDYING38TumblrREACHABLE100
Uptime · 30d
Uptime · 90d42.2%100%
Uptime · 30d28.3%100%
P50 · ms1075208
P95 · ms16791101
Authnoneoauth
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedOAuth — some read routes may be public
Rate limit30 req/window · 21 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Disify vs Tumblr: common questions

Which is more reliable, Disify or Tumblr?

On our scheduled checks, Tumblr leads on measured uptime — Disify at 42.2% 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, Disify or Tumblr?

Tumblr has the lower median latency in our checks — Disify responds in 1075 ms versus Tumblr at 208 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 Disify and Tumblr need an API key?

Disify needs no key, while Tumblr requires OAuth. If you want to start calling without signup, reach for Disify first.

Can I call Disify and Tumblr from the browser?

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

Are Disify and Tumblr free for commercial use?

Disify 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.