curl --request POST \
  --url https://identity.payven.com.tr/api/v{version}/auth/{slug}/register \
  --header 'Content-Type: application/json' \
  --data '
{
  "firstName": "<string>",
  "lastName": "<string>",
  "email": "<string>",
  "companyName": "<string>",
  "password": "<string>"
}
'

{
  "message": "<string>",
  "isSuccess": true,
  "code": "<string>",
  "data": {
    "userId": "<string>",
    "email": "<string>"
  }
}