Ably is a comprehensive platform that simplifies the implementation of realtime communication in EdTech applications, allowing engineers to focus on product development. The platform emphasizes the importance of a robust infrastructure to deliver instantaneous experiences with a 99.999% uptime guarantee. Key requirements for such infrastructure include predictable performance, data integrity, scalability, elasticity, and high availability, ensuring seamless experiences for users. As the EdTech sector grows, especially post-Covid-19, providers face the challenge of building or selecting reliable realtime capabilities. Cloud computing has proven advantageous for digital transformation by enabling rapid deployment and flexibility. Ably has developed solutions to efficiently design, deploy, and scale realtime functionalities, offering APIs that facilitate the creation of dependable realtime applications.