MMO Games vs Open5e

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

Uptime · 30d
Uptime · 90d91.2%89.2%
Uptime · 30d100%85.0%
P50 · ms354646
P95 · ms13934308
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedSRD content under OGL 1.0a; API/site MIT-licensed
Free tierFree, no API keyFree, no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MMO Games vs Open5e: common questions

Which is more reliable, MMO Games or Open5e?

On our scheduled checks, MMO Games leads on measured uptime — MMO Games at 91.2% versus Open5e at 89.2% 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, MMO Games or Open5e?

MMO Games has the lower median latency in our checks — MMO Games responds in 354 ms versus Open5e at 646 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 MMO Games and Open5e need an API key?

Neither needs a paid key — MMO Games is callable with no signup, and Open5e is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call MMO Games and Open5e from the browser?

Yes — both MMO Games and Open5e 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 MMO Games and Open5e free for commercial use?

MMO Games has unclear commercial terms, and Open5e 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.