---
title: "Retrieve supporting document"
method: GET
path: "/supporting-documents/documents/{id}/"
tags: ["Billing"]
---

# Retrieve supporting document

`GET /supporting-documents/documents/{id}/`

## Response `200`

The document.

- SupportingDocument — A supporting document submitted by a customer (purchase order or contract). Documents are linked to subscriptions and consumed by invoices over time.
  - `id` integer
  - `customer` string, required — Customer ID.
  - `document_type` '801' | '802', required — `801` = Purchase Order. `802` = Contract.
  - `serial` string, required
  - `description` string, nullable
  - `date_issued` string, date, required
  - `valid_until` string, date, required
  - `file` string, binary, required — PDF/image file uploaded as multipart on create.
  - `subscriptions` string[]
  - `submission_request` integer, nullable — Linked submission request (when delivered as response to one).
  - `used` boolean
  - `status` 'active' | 'consumed' | 'expired' | 'archived'
  - `created` string, date-time
  - `updated` string, date-time

## Other responses

- `404` — Resource not found.

---

[API](https://skmtc.net/piriod/apis/piriod-api.md) · [All operations](https://skmtc.net/piriod/apis/piriod-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/piriod/piriod-api/versions/70cbc827dc7b/schema)