sale/customer/get

{
    "error": [
        "string"
    ],
    "total": 0,
    "customers": [
        {
            "customer_id": 0,
            "firstname": "string",
            "lastname": "string",
            "name": "string",
            "company": "string",
            "customer_group": "string",
            "customer_group_id": 0,
            "email": "string",
            "telephone": "string",
            "card_number": "string",
            "reward": 0,
            "date_added": "string",
            "date_modified": "string",
            "date_ordered": "string",
            "annual_spend": 0,
            "annual_spend_2": 0,
            "savings": 0,
            "savings_2": 0,
            "deleted": true
        }
    ]
}