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Affirmations.dev vs Official Joke API

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

APIAffirmations.devHEALTHY92Official Joke APIHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms590439
P95 · ms10811323
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 Official Joke API: common questions

Which is more reliable, Affirmations.dev or Official Joke API?

Both are neck-and-neck — Affirmations.dev and Official Joke API 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 Official Joke API?

Official Joke API has the lower median latency in our checks — Affirmations.dev responds in 590 ms versus Official Joke API at 439 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 Official Joke API need an API key?

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

Can I call Affirmations.dev and Official Joke API from the browser?

Only Official Joke API 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 Official Joke API free for commercial use?

Affirmations.dev has unclear commercial terms, and Official Joke API 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.