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Pokémon TCG vs TETR.IO

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

APIPokémon TCGNEW—TETR.IONEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (Pokémon IP)Unverified
Free tierFree; no key ~1,000 req/day & 30/min, free key ~20,000 req/day (documented)Free, no API key
Rate limitWithout key: ~30 req/min, 1,000 req/day (documented)Honor server-provided cache expiry (~60s); docs require caching
In directory since2026-07-052026-07-05
operationalpartialdownno data

Pokémon TCG vs TETR.IO: common questions

Which is more reliable, Pokémon TCG or TETR.IO?

On our scheduled checks, TETR.IO leads on measured uptime — Pokémon TCG at —% versus TETR.IO 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 Pokémon TCG and TETR.IO need an API key?

Neither needs a paid key — Pokémon TCG is callable with no signup, and TETR.IO is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Pokémon TCG and TETR.IO from the browser?

Yes — both Pokémon TCG and TETR.IO 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 Pokémon TCG and TETR.IO free for commercial use?

Pokémon TCG has unclear commercial terms, and TETR.IO 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.