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Affirmations.dev vs Random Useless Facts

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

APIAffirmations.devHEALTHY92Random Useless FactsHEALTHY89
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms590861
P95 · ms10812075
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 Random Useless Facts: common questions

Which is more reliable, Affirmations.dev or Random Useless Facts?

On our scheduled checks, Affirmations.dev leads on measured uptime — Affirmations.dev at 100% versus Random Useless Facts at 99.02% 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, Affirmations.dev or Random Useless Facts?

Affirmations.dev has the lower median latency in our checks — Affirmations.dev responds in 590 ms versus Random Useless Facts at 861 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 Affirmations.dev and Random Useless Facts need an API key?

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

Can I call Affirmations.dev and Random Useless Facts from the browser?

Only Random Useless Facts 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 Random Useless Facts free for commercial use?

Affirmations.dev has unclear commercial terms, and Random Useless Facts 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.