# Retrieve a Invoice PDF for a single invoice

Fetch a PDF for the Invoice for a sales invoice. The request will specify the invoice id to extract PDF required

Endpoint: GET /api/v3/salesInvoices/{id}/download
Version: 3.0.14
Security: OAuth2

## Path parameters:

  - `id` (integer, required)
    ID of the sales invoice to download the proforma document
    Example: 123