Rest Template

RestTemplate is a powerful synchronous client for handling HTTP communication in Spring Boot applications. Internally it uses http client library. RestTemplate offers simplified HTTP request handling, seamless Spring integration, inter-service communication, customization & error handling. It also supports authentication, making it versatile for various API interactions.

Dependency

<dependency>

??<groupId>org.springframework.boot</groupId>

??<artifactId>spring-boot-starter-web</artifactId>

</dependency>

RestTemplate helps to handle common http methods e.g get, post, patch, post, delete.

RestTemplate also helps spring boot application with providing error handling. we can also create custom error handling.

source: geeksforgeeks