Understanding API Parameters in Spring Boot When designing APIs in Spring Boot, it's essential to understand how to handle different types of parameters. These parameters define how data is sent from the client to the server. Let's break down the common types of parameters used in API development, with examples and cURL commands. 1. Types of Parameters Parameter Type Location Use Case Example Format Annotation in Spring Boot Query Param URL after `?` Filtering, Pagination ?key=value @RequestParam Path Param In the URL path Identifying specific resource /resource/{id} @PathVariable Form Param Form-encoded body Simple form submissions ...