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Affirmations.dev vs Stoicism Quote

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

APIAffirmations.devNEW—Stoicism QuoteNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Affirmations.dev vs Stoicism Quote: common questions

Which is more reliable, Affirmations.dev or Stoicism Quote?

On our scheduled checks, Stoicism Quote leads on measured uptime — Affirmations.dev at —% versus Stoicism Quote 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 Affirmations.dev and Stoicism Quote need an API key?

Neither needs a paid key — Affirmations.dev is callable with no signup, and Stoicism Quote is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Affirmations.dev and Stoicism Quote from the browser?

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

Are Affirmations.dev and Stoicism Quote free for commercial use?

Affirmations.dev has unclear commercial terms, and Stoicism Quote 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.