---
title: "Upload a supporting document for a group"
method: POST
path: "/groups/{id}/supporting-documents"
tags: ["Group"]
---

# Upload a supporting document for a group

`POST /groups/{id}/supporting-documents`

Uploads a supporting document (license, certificate, insurance form, IRS document, etc.) for a group. The file is stored in cloud storage and its metadata is written into the group's supportingDocuments record list. No MIME-type or file-size restriction is currently enforced — any file is accepted and stored as application/octet-stream regardless of its actual type. Not idempotent — each call creates a new document entry even if the same file is uploaded again. The response contains only the uploaded fileName and a status message; it does not include the stored cloud storage path or URL.

## Path parameters

- `id` string, required

## Headers

- `tenant-id` string

## Response `201`

Document uploaded successfully

- object

## Other responses

- `400` — Bad request - Invalid input, e.g., file is missing
- `401` — Unauthorized - Authentication required
- `403` — Forbidden - Insufficient permissions
- `500` — Internal server error

---

[API](https://skmtc.net/certifyos/apis/certify-api-layer.md) · [All operations](https://skmtc.net/certifyos/apis/certify-api-layer/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/certifyos/certify-api-layer/revisions/563848e0ecc0/schema)