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MMO Games vs Scryfall

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

APIMMO GamesNEW—ScryfallNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedCard data free to use; MTG content © Wizards of the Coast (see docs)
Free tierFree, no API keyFree, no API key required
Rate limitUnpublished~10 requests/second; docs ask for 50-100 ms between requests
In directory since2026-07-052026-07-05
operationalpartialdownno data

MMO Games vs Scryfall: common questions

Which is more reliable, MMO Games or Scryfall?

On our scheduled checks, Scryfall leads on measured uptime — MMO Games at —% versus Scryfall 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 MMO Games and Scryfall need an API key?

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

Can I call MMO Games and Scryfall from the browser?

Only Scryfall is browser-friendly — it returns CORS headers over HTTPS. MMO Games needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are MMO Games and Scryfall free for commercial use?

MMO Games has unclear commercial terms, and Scryfall 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.