curl -X GET "https://api.uncash.io/api/v1/cards" \
  -H "Authorization: Bearer uc_your_api_token_here"

{
  "success": true,
  "data": {
    "total_balance": 2450.50,
    "total_cards": 3,
    "cards": [
      {
        "id": "123",
        "name": "My Business Card",
        "status": "active",
        "balance": 1500.00,
        "category": "Wallet",
        "card_plan": 2,
        "card_number": "4559 88** **** 1234",
        "created_at": "2025-08-03T10:00:00.000Z",
        "updated_at": "2025-08-03T10:00:00.000Z"
      },
      {
        "id": "124",
        "name": "Shopping Card",
        "status": "active",
        "balance": 950.50,
        "category": "Online",
        "card_plan": 1,
        "card_number": "4559 88** **** 5678",
        "created_at": "2025-08-02T14:30:00.000Z",
        "updated_at": "2025-08-02T14:30:00.000Z"
      }
    ]
  },
  "message": "User cards retrieved successfully",
  "timestamp": "2025-09-26T10:30:00.000Z"
}