Official Joke API vs Personality.fyi

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms4391200
P95 · ms13233462
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no auth
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Official Joke API vs Personality.fyi: common questions

Which is more reliable, Official Joke API or Personality.fyi?

Both are neck-and-neck — Official Joke API and Personality.fyi 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, Official Joke API or Personality.fyi?

Official Joke API has the lower median latency in our checks — Official Joke API responds in 439 ms versus Personality.fyi at 1200 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 Official Joke API and Personality.fyi need an API key?

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

Can I call Official Joke API and Personality.fyi from the browser?

Yes — both Official Joke API and Personality.fyi 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 Official Joke API and Personality.fyi free for commercial use?

Official Joke API has unclear commercial terms, and Personality.fyi 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.