curl --request POST \
  --url "https://api-auth-service.eu.retarus.com/realms/platform/protocol/openid-connect/token" \
  --header "Content-Type: application/x-www-form-urlencoded" \
  --data-urlencode "grant_type=client_credentials" \
  --data-urlencode "client_id=<CLIENT_ID>" \
  --data-urlencode "client_secret=<CLIENT_SECRET>"