An online sportsbook is a digital platform that allows users to place bets on various sports events. These platforms offer a wide range of betting options, including point spreads, moneylines, and over/under totals. Users can access these services through websites or mobile apps, making it convenient to bet from anywhere. Most online sportsbooks also provide features like live betting, where users can place bets during a game, and promotions such as bonuses for new customers. Popular sports for betting include football, basketball, baseball, and soccer, attracting a diverse audience of sports enthusiasts.