Dota 2 vs Lichess
Same instrument, two spec sheets — measured, not claimed.
Dota 2 vs Lichess: common questions
Which is more reliable, Dota 2 or Lichess?
On our scheduled checks, Lichess leads on measured uptime — Dota 2 at 97.1% versus Lichess at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Dota 2 or Lichess?
Dota 2 has the lower median latency in our checks — Dota 2 responds in 236 ms versus Lichess at 436 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 Dota 2 and Lichess need an API key?
Lichess needs no key, while Dota 2 requires a free API key. If you want to start calling without signup, reach for Lichess first.
Can I call Dota 2 and Lichess from the browser?
Yes — both Dota 2 and Lichess 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 Dota 2 and Lichess free for commercial use?
Dota 2 has unclear commercial terms, and Lichess 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.