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chucknorris.io vs Official Joke API

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

APIchucknorris.ioHEALTHY74Official Joke APIHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms567439
P95 · ms23821323
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

chucknorris.io vs Official Joke API: common questions

Which is more reliable, chucknorris.io or Official Joke API?

Both are neck-and-neck — chucknorris.io 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, chucknorris.io or Official Joke API?

Official Joke API has the lower median latency in our checks — chucknorris.io responds in 567 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 chucknorris.io and Official Joke API need an API key?

Neither needs a paid key — chucknorris.io 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 chucknorris.io and Official Joke API from the browser?

Yes — both chucknorris.io and Official Joke API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are chucknorris.io and Official Joke API free for commercial use?

chucknorris.io 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.