---
title: "Send Support"
method: POST
path: "/support"
tags: ["support"]
---

# Send Support

`POST /support`

## Request body

- SupportMessageRequest
  - `submission_id` string, uuid, required
  - `message` string, required — Plain-text support message; the 5,000-unit maximum is measured in UTF-16 code units to match browser maxlength.

## Response `200`

Successful Response

- SupportMessageResponse
  - `status` 'sent', required

## Other responses

- `401` — Authentication required
- `422` — Validation Error
- `503` — Support delivery is temporarily unavailable

---

[API](https://skmtc.dev/useauxos/apis/auxos.md) · [All operations](https://skmtc.dev/useauxos/apis/auxos/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/useauxos/auxos/revisions/2f853c0b59f4/schema)