Excuser vs Urban Dictionary

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

Uptime · 30d
Uptime · 90d100%98.9%
Uptime · 30d100%96.6%
P50 · ms252430
P95 · ms9323925
Authnonenone
CORSyesyes
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

Excuser vs Urban Dictionary: common questions

Which is more reliable, Excuser or Urban Dictionary?

On our scheduled checks, Excuser leads on measured uptime — Excuser at 100% versus Urban Dictionary at 98.9% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Excuser or Urban Dictionary?

Excuser has the lower median latency in our checks — Excuser responds in 252 ms versus Urban Dictionary at 430 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 Excuser and Urban Dictionary need an API key?

Neither needs a paid key — Excuser 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 Excuser and Urban Dictionary from the browser?

Yes — both Excuser 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 Excuser and Urban Dictionary free for commercial use?

Excuser 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.