curl --request GET \
  --url https://app.narrativebanking.com/api/money/metrics \
  --header 'Authorization: Bearer <token>'

{
  "asOfDate": "2026-03-03",
  "currency": "EUR",
  "cards": [
    {
      "key": "cash_balance",
      "title": "Cash balance",
      "value": 18542.12
    }
  ]
}