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

# Download invoices

When a new invoice is `finalized`, Lago will automatically send a
[webhook](/api-reference/webhooks/messages) to notify you. It will also generate a PDF
file that you can download and send to your customer.

<Tabs>
  <Tab title="Dashboard">
    To download an invoice through the user interface:

    1. Click **"Customers"** in the side menu;
    2. Select a customer from the list;
    3. Open the **"Invoices"** tab;
    4. Click the **ellipsis icon** on the right of the invoice; and
    5. Click **"Download invoice"** to open the file in a new tab.
  </Tab>

  <Tab title="API">
    You can also download invoices via API ([learn more](/api-reference/invoices/download)).

    <CodeGroup>
      ```bash Download an invoice PDF theme={"dark"}
      LAGO_URL="https://api.getlago.com"
      INVOICE_ID="__YOU_INVOICE_ID__"
      API_KEY="__YOUR_API_KEY__"

      curl --location --request POST "$LAGO_URL/api/v1/invoices/$INVOICE_ID/download" \
        --header "Authorization: Bearer $API_KEY" \
        --header 'Content-Type: application/json'
      ```
    </CodeGroup>
  </Tab>
</Tabs>