---
title: "Download Invoice"
method: GET
path: "/api/billing/invoice/{customer_id}/download"
tags: ["Billing"]
---

# Download Invoice

`GET /api/billing/invoice/{customer_id}/download`

Download an invoice as CSV or plain-text PDF-style document.

Formats: csv (spreadsheet-ready), txt (printable receipt).

## Path parameters

- `customer_id` string, required

## Query parameters

- `format` string
- `period_start` number
- `period_end` number
- `tax_rate` number
- `customer_name` string

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/aabiro/apis/xcelsior.md) · [All operations](https://skmtc.net/aabiro/apis/xcelsior/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aabiro/xcelsior/versions/b4f5ef136e6a/schema)