Create API User

curl -X POST "http://{{base_url}}/realms/string/clients/string/api-users" \
  -H "api-key: {{MASTER_API_KEY}}" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Portal preprod",
    "role": "client",
    "access": "write",
    "expires": "1h"
  }'