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The Muse vs Tumblr

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

APIThe MuseNEW—TumblrREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnoneoauth
CORSnoyes
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

The Muse vs Tumblr: common questions

Which is more reliable, The Muse or Tumblr?

On our scheduled checks, Tumblr leads on measured uptime — The Muse 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 The Muse and Tumblr need an API key?

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

Can I call The Muse and Tumblr from the browser?

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

Are The Muse and Tumblr free for commercial use?

The Muse 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.