---
title: "Post a message on a BuyBack order"
method: POST
path: "/ws/buyback/v1/orders/{buybackOrderId}/messages"
tags: ["BuyBack"]
---

# Post a message on a BuyBack order

`POST /ws/buyback/v1/orders/{buybackOrderId}/messages`

Create BuyBack order messages.
Caller must be an authenticated refurbisher, owner of the provided buyback order.

## Path parameters

- `buybackOrderId` string, required

## Request body

- BuybackMessagePayload
  - `message` string, required — Counter offer explanation message
  - `files` object[], required — Photos supporting the message. If there is no photo, an empty array should be passed.
    - `name` string, required — Name of the photo
    - `content` string, required — Content of the photo

## Response `201`

OK

- BuybackMessage — Buyback order message sent back by 'ws/buyback/' endpoints
  - `body` string — Message content
  - `date` string, required — Message creation date
  - `attachments` string[]
  - `author` 'Merchant' | 'Client' | 'BackMarket' | 'Unknown', required — Message author

## Other responses

- `401` — Unauthorized
- `403` — Permission denied
- `404` — Not Found
- `422` — Unprocessable Entity
- `5XX` — Internal Error

---

[API](https://skmtc.net/backmarket/apis/back-market-api-guidelines.md) · [All operations](https://skmtc.net/backmarket/apis/back-market-api-guidelines/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/backmarket/back-market-api-guidelines/revisions/6a1303364143/schema)
