An online betting no deposit bonus is a promotional offer provided by sportsbooks and casinos that allows players to try out their services without having to make an initial deposit. This type of bonus typically comes in the form of free bets or bonus cash, enabling users to explore various games or betting options risk-free. It serves as an enticing incentive for new customers to sign up and experience the platform, while also allowing seasoned players to test new sites. However, it's essential to read the terms and conditions, as wagering requirements and restrictions may apply.