Spring Rest -

: Maps the incoming HTTP request body directly to a Java object, automatically handling deserialization (usually from JSON) via libraries like Jackson .

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

Spring's RequestBody and ResponseBody Annotations - Baeldung : Maps the incoming HTTP request body directly

: Allows you to control the full HTTP response, including the status code (e.g., 201 Created ), headers, and body. Implementation Best Practices For a "solid" implementation, consider these factors: including the status code (e.g.

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