justmeme.wtf vs Urban Dictionary

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms776895
P95 · ms15013925
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree — limits not published
Rate limit60 requests/minute per IP (per docs)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

justmeme.wtf vs Urban Dictionary: common questions

Which is more reliable, justmeme.wtf or Urban Dictionary?

Both are neck-and-neck — justmeme.wtf 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, justmeme.wtf or Urban Dictionary?

justmeme.wtf has the lower median latency in our checks — justmeme.wtf responds in 776 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 justmeme.wtf and Urban Dictionary need an API key?

Neither needs a paid key — justmeme.wtf 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 justmeme.wtf and Urban Dictionary from the browser?

Yes — both justmeme.wtf and Urban Dictionary 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 justmeme.wtf and Urban Dictionary free for commercial use?

justmeme.wtf 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.