---
title: "Download the invoice as Finvoice XML"
method: GET
path: "/invoices/{invoice_id}/finvoice"
tags: ["Invoicing"]
---

# Download the invoice as Finvoice XML

`GET /invoices/{invoice_id}/finvoice`

## Request

- Base URL: `https://api.app.lastaccountingcompany.com/portal`
- URL: `https://api.app.lastaccountingcompany.com/portal/invoices/{invoice_id}/finvoice`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/lastaccountingcompany/apis/lac-customer-api/docs/invoices/:invoice_id/finvoice/get.ts> (a function with typed inputs; its response is checked against the schema)

Returns the invoice rendered as a Finvoice XML document.

## Path parameters

- `invoice_id` string, required

## Query parameters

- `customer_id` string

## Response `200`

Finvoice XML.

## Other responses

- `401`: Missing or invalid bearer token.
- `403`: Insufficient scope or role — e.g. a read-scoped key on a mutating method, or an API key on an admin/approver-only endpoint.

---

[API](https://skmtc.dev/lastaccountingcompany/apis/lac-customer-api.md) - [All operations](https://skmtc.dev/lastaccountingcompany/apis/lac-customer-api/llms.txt) - [OpenAPI document](https://skmtc.dev/lastaccountingcompany/apis/lac-customer-api/revisions/52e277b4f031?raw)