ItemSchema

{
    "id": "service_1234567890",
    "search": {
        "on_key": "sku",
        "on_value": "CONS-001",
        "auto_create": true,
        "safety_check": false
    },
    "quantity": 1,
    "description": "Consulting services",
    "sku": "CONS-001",
    "product_key": "80141503",
    "unit_key": "E48",
    "unit_name": "Servicio",
    "unit_price": 1000,
    "discount": 0,
    "taxes": [
        {
            "base": "01",
            "factor": "Tasa",
            "inclusive": false,
            "rate": 0.16,
            "type": "IVA",
            "withholding": false
        }
    ],
    "third_party": {
        "legal_name": "Third Party SA",
        "tax_id": "TPR800101ABC",
        "tax_system": "601",
        "zip": "03100"
    },
    "metadata": {}
}