v1.CreateInvoiceParams

{
    "amount": 0,
    "currency": "string",
    "customer_address": "string",
    "customer_email": "string",
    "customer_id": "string",
    "customer_name": "string",
    "customer_phone": "string",
    "due_date": "string",
    "items": [
        {
            "description": "string",
            "product_id": "string",
            "quantity": 1,
            "total": 0,
            "unit_price": 0
        }
    ],
    "metadata": {
        "property1": null,
        "property2": null
    },
    "notes": "string"
}