Starting from QuickBuild 10, A JSON based RESTful api is supported. It works exactly the same as the traditional XML based api, except that one has to specify http header Accept: application/json when retrieving json content from server, and specify http header Content-Type: application/json when posting json content back to server.
For instance, to get JSON representation of a configuration, you may refer to section Access configuration by id of page interact with configurations, and modify the demonstration command as below:
curl -u admin:admin -H "Accept: application/json" http://localhost:8810/rest/configurations/1
Or if you want to update a configuration, just refer to section Update configuration of the same page, and modify the demonstration command like below:
curl -X POST -u admin:admin -H "Content-Type: application/json" --data-binary "@tempfile.json" http://localhost:8810/rest/configurations