UserController.java: The web controller that provides the log-in API. UserService.java: An interface for finding users. Used by TokenAuthenticationService to recover the user via the token info.

Thousands of developers learned the basics of building a REST API using Spring Boot from the InfoQ minibook, "Practical Guide to Building an API Back End with Spring Boot".

How to choose between REST vs. gRPC Does your REST API and subsequent JSON or XML data create a bottleneck in your architecture? Perhaps it's time to consider gRPC instead of REST for your web ...

Create a Spring Boot application that uses the OpenAI starter. Add your API key to the application.properties file. Autowire the OpenAiChatModel into a Spring component. Create a Prompt object with ...