Spring Rest 【Must Read】

: It is often best to use DTOs rather than exposing your database entities directly to the API.

Spring's RequestBody and ResponseBody Annotations - Baeldung Spring REST

: Return a 201 Created status for successful creations rather than a generic 200 OK . : It is often best to use DTOs

: Combines @Controller and @ResponseBody , signaling that the class handles web requests and returns data (like JSON) directly. Spring REST

: A specialized version of @RequestMapping specifically for HTTP POST requests.

To build a solid POST endpoint, you generally use several key annotations and classes:

: Implement a global exception handler (using @ControllerAdvice ) to return consistent error responses when a POST fails. Consuming POST Services