SuperHeroes vs TCGdex

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

Uptime · 30d
Uptime · 90d99.02%98.0%
Uptime · 30d98.3%100%
P50 · ms1145161
P95 · ms21572128
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

SuperHeroes vs TCGdex: common questions

Which is more reliable, SuperHeroes or TCGdex?

On our scheduled checks, SuperHeroes leads on measured uptime — SuperHeroes at 99.02% versus TCGdex at 98.0% 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, SuperHeroes or TCGdex?

TCGdex has the lower median latency in our checks — SuperHeroes responds in 1145 ms versus TCGdex at 161 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 SuperHeroes and TCGdex need an API key?

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

Can I call SuperHeroes and TCGdex from the browser?

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

SuperHeroes has unclear commercial terms, and TCGdex 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.