PokéAPI vs TETR.IO

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms61357
P95 · ms2193906
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial usenounclear
Data licenseFair-use fan dataUnverified
Free tierUnlimited (be reasonable)Free, no API key
Rate limitNone — locally cache pleaseHonor server-provided cache expiry (~60s); docs require caching
In directory since2026-05-022026-07-05
operationalpartialdownno data

PokéAPI vs TETR.IO: common questions

Which is more reliable, PokéAPI or TETR.IO?

Both are neck-and-neck — PokéAPI 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, PokéAPI or TETR.IO?

PokéAPI has the lower median latency in our checks — PokéAPI responds in 61 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 PokéAPI and TETR.IO need an API key?

Neither needs a paid key — PokéAPI 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 PokéAPI and TETR.IO from the browser?

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

PokéAPI is personal/non-commercial only, 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.