(00:00) Introduction
(03:29) Backend server architecture
(11:53) Implementing logic of API model
(16:40) Testing API requests
(20:04) Refactoring routes
(20:45) Create model for request data
(28:01) Create service interface
(30:47) Implement additional methods
(36:54) Handling errors
(41:10) Refactoring controller and services
(1:00:52) Refactoring error handling
(1:02:40) Testing API requests
(1:05:46) Conclusion
