Coding assistance for REST development

Besides the common Web services support, CLion provides the following facilities for developing RESTful Web services:

HTTP Client in Code Editor

The dedicated HTTP Client provides the following facilities for working with HTTP requests:

Gutter icons for request method designator annotations, such as @GET, @PUT, @POST, or @DELETE to quickly compose and execute requests.
Displaying server responses and the executed requests history
Completing the HTTP request parts from the @Path and @Produces annotations specified in the C/C++ code

Change in the C/C++ code	Change in the HTTP request in editor
`@Path` annotation is updated.	The contents of the `Request-URI` suggestion list change when you invoke code completion `Ctrl+Space`.
`@Produces` annotation is updated.	The contents of the `Accept` header field suggestion list change when you invoke code completion `Ctrl+Space`.

10 August 2026