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# List invoices

> Sales invoices for a date range, with totals, payment and KSeF status. Inputs, cURL, Python and Node.js examples and an example response.

Source: https://cotlet.dev/docs/api/ifirma/list_invoices

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

Sales invoices for a date range, with totals, payment and KSeF status.

iFirma API: https://cotlet.dev/docs/api/ifirma.md

`GET https://cotlet.dev/api/v1/ifirma/invoices`

Access: read.

Returns invoices issued in the range you choose. Each item has number, buyer, issue and due date, gross amount, currency, amount paid, draft and sent flags, and the KSeF number and status. Without date_to the range is 30 days from date_from. Pages hold 20 results unless you set per_page.

## Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `date_from` | string | yes | YYYY-MM-DD, the first issue date. |
| `date_to` | string | no | YYYY-MM-DD. Default: 30 days after date_from. |
| `status` | string | no | overdue, unpaid, partly_paid or paid. Several values can be joined with commas. |
| `contractor_id` | string | no | Contractor ID from list_contractors. |
| `nip` | string | no | Buyer tax number (NIP). |
| `min_amount` | number | no | Smallest document value. |
| `max_amount` | number | no | Largest document value. |
| `page` | integer | no | Page number. Default: 1. |
| `per_page` | integer | no | Results per page. Default: 20. |

## Request

**cURL**

```bash
curl "https://cotlet.dev/api/v1/ifirma/invoices?date_from=date+from" \
  -H "Authorization: Bearer $COTLET_API_KEY"
```

**Python**

```python
result = client.call("ifirma", "list_invoices", {"date_from":"date from"})
```

**Node.js**

```js
const result = await cotlet.call('ifirma', 'list_invoices', {"date_from":"date from"});
```

**CLI**

```bash
cotlet call ifirma list_invoices --data '{"date_from":"date from"}'
```

## Example response

```json
{
  "invoices": [
    {
      "id": 7020118,
      "number": "41/2026",
      "buyer": "Blue Fern Studio",
      "contractor_id": "c_4817",
      "issue_date": "2026-10-14",
      "due_date": "2026-10-28",
      "gross": 1230,
      "currency": "PLN",
      "paid": 0,
      "draft": false,
      "sent": false,
      "ksef_status": null
    },
    {
      "id": 7020104,
      "number": "39/2026",
      "buyer": "Harbor Print Ltd",
      "contractor_id": "c_4832",
      "issue_date": "2026-09-18",
      "due_date": "2026-10-02",
      "gross": 800,
      "currency": "PLN",
      "paid": 0,
      "draft": false,
      "sent": true,
      "ksef_status": "accepted"
    }
  ],
  "page": 1
}
```

Next: [Get invoice](https://cotlet.dev/docs/api/ifirma/get_invoice.md)

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## For AI agents: sign your user up

Is your user asking you to sign them up for Cotlet? You can do it for them, no account or key needed.

1. Read the fields and their allowed values: GET https://cotlet.dev/api/v1/access-requests
2. Ask the user for each value: email, apps, what you will do with them. If they leave the password to you, generate a strong one and show it to them.
3. Show the user what you will send, then POST it as JSON to https://cotlet.dev/api/v1/access-requests.

One call creates the account and sends the access request; we email the user when access is granted.