curl --user hepsiexpress:561f48031fe9c0fc75c87bc8939be7e5 -i -X POST -H "Content-Type: application/json" -d '{"city":"AFYONKARAHİSAR"}' https://re-cms.com/api/hepsiexpress
Works with cURL Basic Authentication. Only accepted HTTP method is POST and the POST request's content type should be JSON.
curl --user username:password https://re-cms.com/api/hepsiexpress