Psychonauts API vs Scryfall

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified; fan tribute, game © Double FineCard data free to use; MTG content © Wizards of the Coast (see docs)
Free tierFree, no API key requiredFree, 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

Psychonauts API vs Scryfall: common questions

Which is more reliable, Psychonauts API or Scryfall?

On our scheduled checks, Scryfall leads on measured uptime — Psychonauts API 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 Psychonauts API and Scryfall need an API key?

Neither needs a paid key — Psychonauts API 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 Psychonauts API and Scryfall from the browser?

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

Are Psychonauts API and Scryfall free for commercial use?

Psychonauts API 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.