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Personality.fyi vs justmeme.wtf

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

APIPersonality.fyiNEW—justmeme.wtfNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no authFree — no key
Rate limitUnpublished60 requests/minute per IP (per docs)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Personality.fyi vs justmeme.wtf: common questions

Which is more reliable, Personality.fyi or justmeme.wtf?

On our scheduled checks, justmeme.wtf leads on measured uptime — Personality.fyi at —% versus justmeme.wtf at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Personality.fyi and justmeme.wtf need an API key?

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

Can I call Personality.fyi and justmeme.wtf from the browser?

Yes — both Personality.fyi and justmeme.wtf 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 Personality.fyi and justmeme.wtf free for commercial use?

Personality.fyi has unclear commercial terms, and justmeme.wtf 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.