X-Joomla-Token: ********************
curl --location -g --request POST 'j4.demo.joomlachina.cn/{{base_path}}/banners/clients' \
--header 'Content-Type: text/plain' \
--header 'X-Joomla-Token;' \
--data-raw '{"contact":"Name","email":"email@example.org","extrainfo":"","metakey":"","name":"Clients","state":1}'
{}