Explore building RESTful APIs using Symfony components in this PHP UK Conference talk. Learn how to adapt models to desired representations, implement authentication strategies, and effectively test APIs. Discover tips for migrating legacy applications based on real-world use cases. Dive into creating POST, GET, and PUT endpoints, working with Symfony PSR-7 Bridge, and implementing custom normalizers. Understand the use of annotations, constraints, and validation techniques. Explore components and bundles like JMSSerializerBundle, FOSRestBundle, and LexikJWTAuthenticationBundle. Gain insights on error handling, testing strategies, and using fixtures with Alice & Faker. Acquire practical knowledge to build robust and efficient RESTful APIs with Symfony components.