## Get invoice preview

`client.aiGateway.billing.invoicePreview(BillingInvoicePreviewParamsparams, RequestOptionsoptions?): BillingInvoicePreviewResponse`

**get** `/accounts/{account_id}/ai-gateway/billing/invoice-preview`

Retrieve a preview of the upcoming invoice including line items and tax.

### Parameters

- `params: BillingInvoicePreviewParams`

  - `account_id: string`

    Cloudflare account ID.

### Returns

- `BillingInvoicePreviewResponse`

  - `id: string`

  - `amount_due: number`

  - `amount_paid: number`

  - `amount_remaining: number`

  - `currency: string`

  - `invoice_lines: Array<InvoiceLine>`

    - `amount: number`

    - `currency: string`

    - `description: string | null`

    - `period: Period`

      - `end: number`

      - `start: number`

    - `pricing: Pricing`

      - `unit_amount_decimal: string | null`

    - `quantity: number`

    - `pretax_credit_amounts?: Array<PretaxCreditAmount>`

      - `amount: number`

      - `type: string`

      - `credit_balance_transaction?: string | null`

      - `discount?: string | null`

  - `period_end: number`

  - `period_start: number`

  - `status: "draft" | "open" | "paid" | 2 more`

    - `"draft"`

    - `"open"`

    - `"paid"`

    - `"uncollectible"`

    - `"void"`

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const response = await client.aiGateway.billing.invoicePreview({ account_id: 'account_id' });

console.log(response.id);
```

#### Response

```json
{
  "errors": [
    {
      "code": 0,
      "message": "message"
    }
  ],
  "messages": [
    {
      "code": 0,
      "message": "message"
    }
  ],
  "result": {
    "id": "id",
    "amount_due": 0,
    "amount_paid": 0,
    "amount_remaining": 0,
    "currency": "currency",
    "invoice_lines": [
      {
        "amount": 0,
        "currency": "currency",
        "description": "description",
        "period": {
          "end": 0,
          "start": 0
        },
        "pricing": {
          "unit_amount_decimal": "unit_amount_decimal"
        },
        "quantity": 0,
        "pretax_credit_amounts": [
          {
            "amount": 0,
            "type": "type",
            "credit_balance_transaction": "credit_balance_transaction",
            "discount": "discount"
          }
        ]
      }
    ],
    "period_end": 0,
    "period_start": 0,
    "status": "draft"
  },
  "success": true,
  "result_info": {
    "has_more": true,
    "page": 0,
    "per_page": 0,
    "total_count": 0
  }
}
```