TETR.IO vs XIVAPI
Same instrument, two spec sheets — measured, not claimed.
TETR.IO vs XIVAPI: common questions
Which is more reliable, TETR.IO or XIVAPI?
Both are neck-and-neck — TETR.IO and XIVAPI 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, TETR.IO or XIVAPI?
TETR.IO has the lower median latency in our checks — TETR.IO responds in 357 ms versus XIVAPI at 578 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 TETR.IO and XIVAPI need an API key?
Neither needs a paid key — TETR.IO is callable with no signup, and XIVAPI is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call TETR.IO and XIVAPI from the browser?
Yes — both TETR.IO and XIVAPI 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 TETR.IO and XIVAPI free for commercial use?
TETR.IO has unclear commercial terms, and XIVAPI 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.