Keonhacai is a Vietnamese-language sports information platform focused on live betting odds and match data. It presents regularly updated odds for football, including Asian handicap, totals, European odds, half-time and full-time markets, corners, and combination bets. Visitors can also browse fixtures, live scores, league tables, match results, football news, and betting analysis intended to provide additional perspectives before a match.

The site covers major competitions in Europe and elsewhere, as well as sports such as basketball and tennis, with esports including League of Legends, Dota 2, and Counter-Strike 2. Its interface is described as accessible on desktop and mobile devices, with tools for following live odds and changes in the markets. The site also advertises customer support for account access, deposits and withdrawals, verification, and questions about betting markets.

According to the information provided, Keonhacai was established in 2022 and lists Vietnamese as its language. Its content is aimed at users seeking a centralized place to review sports odds, schedules, results, and related analysis