Affirmations.dev vs Urban Dictionary
Same instrument, two spec sheets — measured, not claimed.
Affirmations.dev vs Urban Dictionary: common questions
Which is more reliable, Affirmations.dev or Urban Dictionary?
Both are neck-and-neck — Affirmations.dev and Urban Dictionary each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Affirmations.dev or Urban Dictionary?
Affirmations.dev has the lower median latency in our checks — Affirmations.dev responds in 590 ms versus Urban Dictionary at 895 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 Urban Dictionary need an API key?
Neither needs a paid key — Affirmations.dev is callable with no signup, and Urban Dictionary is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Affirmations.dev and Urban Dictionary from the browser?
Only Urban Dictionary 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 Urban Dictionary free for commercial use?
Affirmations.dev has unclear commercial terms, and Urban Dictionary 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.