BoomGate: Checkout Validation is a versatile app designed to streamline and enhance the checkout process by allowing merchants to implement custom constraints and rules. Using a powerful rules builder, you can create specific conditions such as minimum and maximum item quantities, and tag combinations for customers and products. The app supports advanced validation options, including product availability for authenticated users and checks based on product metafields, cart attributes, and line attributes. BoomGate makes it easy to apply rules across diverse scenarios by offering templates for predefined rules, which can be tailored further to meet specific business needs. Additionally, you can customize error messages in various languages, ensuring a seamless experience for customers around the globe. Ideal for online stores seeking robust checkout controls, this app helps to enhance order accuracy and customer satisfaction.