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Scryfall vs SuperHeroes

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

APIScryfallHEALTHY71SuperHeroesHEALTHY81
Uptime · 30d
Uptime · 90d96.1%99.02%
Uptime · 30d98.3%98.3%
P50 · ms4701145
P95 · ms27672157
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseCard data free to use; MTG content © Wizards of the Coast (see docs)Unverified
Free tierFree, no API key requiredFree tier — key may be required
Rate limit~10 requests/second; docs ask for 50-100 ms between requestsUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Scryfall vs SuperHeroes: common questions

Which is more reliable, Scryfall or SuperHeroes?

On our scheduled checks, SuperHeroes leads on measured uptime — Scryfall at 96.1% versus SuperHeroes at 99.02% 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, Scryfall or SuperHeroes?

Scryfall has the lower median latency in our checks — Scryfall responds in 470 ms versus SuperHeroes at 1145 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 Scryfall and SuperHeroes need an API key?

Scryfall needs no key, while SuperHeroes requires a free API key. If you want to start calling without signup, reach for Scryfall first.

Can I call Scryfall and SuperHeroes from the browser?

Yes — both Scryfall and SuperHeroes 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 SuperHeroes free for commercial use?

Scryfall has unclear commercial terms, and SuperHeroes 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.