Kalstrop API latency — September 2026
Odds + Live Stats bundle (WebSocket) · WebSocket · 1,700+ leagues (no book list published) · Odds API + Live Stats Gold $599/mo (WebSocket on Gold only; bundle includes live stats) · unlimited real-time push: $599/mo · dev.kalstrop.com/pricing
Kalstrop (Odds + Live Stats bundle (WebSocket)) — 1,700+ leagues (no book list published) — delivered 405 ms p50 / 782 ms p95 from US-East and 549 ms p50 / 1,058 ms p95 from EU-Central in the September 2026 run (10,093 and 10,092 observed line changes).
This vendor does not publish a book list, so the feed is not ranked inside a sportsbook cohort and takes part in no per-book verdict.
| Vantage | Line-change p50 | Line-change p95 | Response p50 | Response p95 | Error rate | Samples |
|---|---|---|---|---|---|---|
| US-East (AWS us-east-1) | 405 ms | 782 ms | 38 ms | 84 ms | 0.05% | 10,093 |
| EU-Central (Hetzner FSN1) | 549 ms | 1,058 ms | 53 ms | 114 ms | 0.05% | 10,092 |
Prices as of 2026-09-13 — the pricing page of every listed vendor was re-read on that date, and every price change is logged in the runs changelog. Re-pricing changes prices only: the measured results in this run are frozen.
Cite: OddsBench (2026). Kalstrop API latency, run 2026-09. https://oddsbench.xyz/providers/kalstrop/ — CC BY 4.0.