Learn to build REST APIs using WARP in Rust for a Todo App in this comprehensive video tutorial. Explore essential concepts including WARP filters, error handling, authentication, and testing. Follow along as the instructor guides you through creating filters for todo list operations, implementing HTTP X-Auth-Token authentication, and developing a robust error recovery system. Gain hands-on experience by finishing REST filters, conducting thorough tests, and integrating the filters into a web server. Conclude with a browser demo and insights into further learning opportunities in Rust web development.