curl -X PATCH 'https://crypto-api.yativo.com/api/v1/yativo-card/admin/yativo_card_customer_8f9a_abc_1769031332068/card-limits' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "max_virtual": 3,
    "max_physical": 2,
    "max_total": 5
  }'

{
  "success": true,
  "message": "Account card limits updated",
  "data": {
    "yativo_card_id": "yativo_card_customer_8f9a...abc_1769031332068",
    "card_limits": {
      "max_virtual": 3,
      "max_physical": 2,
      "max_total": 5,
      "set_by": "admin_user_id",
      "set_at": "2026-05-05T12:00:00.000Z"
    }
  }
}

{
  "success": false,
  "error_code": "INVALID_LIMIT",
  "message": "max_virtual must be 0–5"
}

{
  "success": false,
  "error_code": "NO_CHANGES",
  "message": "Provide at least one limit field to update"
}

{
  "success": false,
  "error_code": "NOT_FOUND",
  "message": "Card not found"
}