Cross Universe vs D&D 5e API

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms401060
P95 · ms4482083
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (fan project)Unverified
Free tierFree — no keyFree — limits not published
Rate limitUnpublished100 req/window · 99 remaining · resets 1783515667
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cross Universe vs D&D 5e API: common questions

Which is more reliable, Cross Universe or D&D 5e API?

Both are neck-and-neck — Cross Universe and D&D 5e 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, Cross Universe or D&D 5e API?

Cross Universe has the lower median latency in our checks — Cross Universe responds in 40 ms versus D&D 5e API at 1060 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 Cross Universe and D&D 5e API need an API key?

Neither needs a paid key — Cross Universe is callable with no signup, and D&D 5e API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Cross Universe and D&D 5e API from the browser?

Yes — both Cross Universe and D&D 5e 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 Cross Universe and D&D 5e API free for commercial use?

Cross Universe has unclear commercial terms, and D&D 5e 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.