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Medium vs Zen Quotes

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

APIMediumNEW—Zen QuotesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no key
Rate limitUnpublishedRate-limited on the free tier (see zenquotes.io)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Medium vs Zen Quotes: common questions

Which is more reliable, Medium or Zen Quotes?

On our scheduled checks, Zen Quotes leads on measured uptime — Medium at —% versus Zen Quotes 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 Medium and Zen Quotes need an API key?

Zen Quotes needs no key, while Medium requires a free API key. If you want to start calling without signup, reach for Zen Quotes first.

Can I call Medium and Zen Quotes from the browser?

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

Are Medium and Zen Quotes free for commercial use?

Medium has unclear commercial terms, and Zen Quotes 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.