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TCGApi vs Yu-Gi-Oh!

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

APITCGApiNEW—Yu-Gi-Oh!NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (Konami IP)
Free tierFree tier — API key may be required for productionFree, no API key
Rate limitUnpublished20 requests per second per IP (documented)
In directory since2026-07-052026-07-05
operationalpartialdownno data

TCGApi vs Yu-Gi-Oh!: common questions

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

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

Yu-Gi-Oh! needs no key, while TCGApi requires a free API key. If you want to start calling without signup, reach for Yu-Gi-Oh! first.

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

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

TCGApi 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.