Spring Rest Here

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

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

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

Spring's RequestBody and ResponseBody Annotations - Baeldung Spring REST

: Use @Valid along with Jakarta Bean Validation to ensure incoming data meets quality standards before processing.