curl -H "Authorization: Bearer hermes_your_api_key" \
  https://api.hermes.camie.ai/wallet/transactions

{
  "success": true,
  "data": [
    {
      "id": "txn-uuid",
      "amountCents": -4100,
      "category": "purchase",
      "description": "Cluster deployment: outreach-company.com — domain ($16.00) + server ($25.00)",
      "referenceType": "cluster_deployment",
      "referenceId": "outreach-company.com",
      "createdAt": "2026-03-14T15:00:00.000Z"
    },
    {
      "id": "txn-uuid-2",
      "amountCents": 10000,
      "category": "deposit",
      "description": "Stripe deposit",
      "createdAt": "2026-03-14T14:00:00.000Z"
    }
  ]
}