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D&D 5e API vs Steam

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

APID&D 5e APINEW—SteamNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree, no API key
Rate limit100 req/window · 99 remaining · resets 1783515667Unpublished (undocumented endpoint; IP rate-limited)
In directory since2026-07-052026-07-05
operationalpartialdownno data

D&D 5e API vs Steam: common questions

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

On our scheduled checks, Steam leads on measured uptime — D&D 5e API at —% versus Steam 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 D&D 5e API and Steam need an API key?

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

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

Only D&D 5e API is browser-friendly — it returns CORS headers over HTTPS. Steam needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are D&D 5e API and Steam free for commercial use?

D&D 5e API has unclear commercial terms, and Steam 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.