> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fintoc.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Invoice line item object

## The Invoice Line Item object

An `InvoiceLineItem` represents a single charge on an invoice, including its amount, quantity, and billing period. It appears in the `lines` array of an `Invoice`, where each item contributes to the invoice total.

```json Invoice Line Item Object theme={null}
{
  "id": "il_348nasdfsdf",
  "object": "line_item",
  "amount": 15000,
  "currency": "CLP",
  "period_end": "2025-09-01T00:00:00Z",
  "period_start": "2025-08-01T00:00:00Z",
  "quantity": 1
}
```

| Attribute      | Type    | Description                                                                                                                       |
| -------------- | ------- | --------------------------------------------------------------------------------------------------------------------------------- |
| `id`           | string  | Unique identifier for the line item                                                                                               |
| `object`       | string  | Always `"line_item"`                                                                                                              |
| `amount`       | integer | Amount in the smallest currency unit (i.e 1000 cents for 10.00 MXN, or 1.000 for CLP, Chilean Peso being a zero-decimal currency) |
| `currency`     | string  | [Currency ISO code](https://www.iso.org/iso-4217-currency-codes.html). Only CLP supported for the moment.                         |
| `period_end`   | string  | ISO 8601 end of the billing period                                                                                                |
| `period_start` | string  | ISO 8601 start of the billing period                                                                                              |
| `quantity`     | integer | Quantity of items                                                                                                                 |