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Affirmations.dev vs Open Trivia

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

APIAffirmations.devNEW—Open TriviaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY-SA 4.0
Free tierFree — limits not publishedFree, no API key
Rate limitUnpublishedOne request per IP every 5 seconds (documented)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Affirmations.dev vs Open Trivia: common questions

Which is more reliable, Affirmations.dev or Open Trivia?

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

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

Can I call Affirmations.dev and Open Trivia from the browser?

Only Open Trivia 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 Open Trivia free for commercial use?

Affirmations.dev has unclear commercial terms, and Open Trivia allows commercial use on its free tier. 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.