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Scryfall vs Yu-Gi-Oh!

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

APIScryfallNEW—Yu-Gi-Oh!NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseCard data free to use; MTG content © Wizards of the Coast (see docs)Unverified (Konami IP)
Free tierFree, no API key requiredFree, no API key
Rate limit~10 requests/second; docs ask for 50-100 ms between requests20 requests per second per IP (documented)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Scryfall vs Yu-Gi-Oh!: common questions

Which is more reliable, Scryfall or Yu-Gi-Oh!?

On our scheduled checks, Yu-Gi-Oh! leads on measured uptime — Scryfall at —% versus Yu-Gi-Oh! 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 Scryfall and Yu-Gi-Oh! need an API key?

Neither needs a paid key — Scryfall is callable with no signup, and Yu-Gi-Oh! is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Scryfall and Yu-Gi-Oh! from the browser?

Yes — both Scryfall and Yu-Gi-Oh! 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 Scryfall and Yu-Gi-Oh! free for commercial use?

Scryfall has unclear commercial terms, and Yu-Gi-Oh! 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.