shipapis
StarSubmit an APISubmit API

TCGApi vs TETR.IO

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

APITCGApiHEALTHY100TETR.IOHEALTHY96
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms66357
P95 · ms243906
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree, no API key
Rate limitUnpublishedHonor server-provided cache expiry (~60s); docs require caching
In directory since2026-07-052026-07-05
operationalpartialdownno data

TCGApi vs TETR.IO: common questions

Which is more reliable, TCGApi or TETR.IO?

Both are neck-and-neck — TCGApi and TETR.IO each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, TCGApi or TETR.IO?

TCGApi has the lower median latency in our checks — TCGApi responds in 66 ms versus TETR.IO at 357 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 TCGApi and TETR.IO need an API key?

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

Can I call TCGApi and TETR.IO from the browser?

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

TCGApi 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.