Courier is a digital communication platform that enables businesses to manage and streamline their messaging across various channels, including email, SMS, and push notifications. With a focus on enhancing customer engagement, Courier offers tools for creating, sending, and tracking messages, allowing organizations to deliver personalized communication effectively. The platform is designed for developers and marketers alike, providing robust APIs and integrations to facilitate seamless messaging experiences. For more information, visit their website at [courier.com](https://www.courier.com/).