The GDPR emphasizes "data protection by design and default," requiring companies to follow adaptable principles for maintaining data privacy, which FusionAuth addresses through a robust REST API designed to facilitate compliance. FusionAuth's CEO, Brian Pontarelli, highlighted how the API supports GDPR adherence by providing functionalities such as data retrieval, deletion, correction, and protection, alongside identity security and consent management, allowing developers to implement these features with ease. FusionAuth's solution offers a flexible and secure Customer Identity and Access Management system, providing services like registration, login, and user management for free, making it an appealing option for companies aiming to meet GDPR requirements while managing customer identities effectively.