In recent years, the notification infrastructure space has significantly evolved, with platforms like Novu, Courier, SuprSend, and Knock revolutionizing how product and engineering teams manage notifications. Companies such as Duolingo and Facebook have successfully leveraged notifications to enhance user engagement and growth, focusing on delivering relevant, timely messages through effective channels like push notifications, email, and in-app messages. Despite the challenges of limited resources and the complexity of analyzing engagement data, notification infrastructure platforms have emerged as valuable tools, enabling teams to create efficient workflows and improve cross-departmental access to notifications. These platforms allow for faster implementation of new features, better user experiences, and more mindful notification strategies, with predicted trends indicating a rise in in-app messaging and chat integrations in 2025. As companies continue to prioritize user engagement, adopting advanced notification infrastructure is seen as crucial for driving long-term growth and efficiency.